MECHANICAL TECHNOLOGY INC
10-K/A, 1998-08-13
MEASURING & CONTROLLING DEVICES, NEC
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                       SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                                  FORM 10-K/A

       /X/ Annual Report Pursuant to Section 13 or 15(d) of the Securities
                              Exchange Act of 1934
                    For the fiscal year ended September 30, 1997

                                      or

       / / Transition Report Pursuant to Section 13 or 15(d) of the
                        Securities Exchange Act of 1934
                   For the period from __________ to __________

                       Commission file number 0-6890

                        MECHANICAL TECHNOLOGY INCORPORATED
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)

           New York                                        14-1462255
- -------------------------------                       -------------------
(State or other jurisdiction of                       (I.R.S. Employer
incorporation or organization)                        Identification No.)

968 Albany-Shaker Rd, Latham, New York                       12110
- ----------------------------------------              -------------------
(Address of principal executive offices)                  (Zip Code)

        Registrant's telephone number, including area code: (518)785-2211
        Securities Registered Pursuant to Section 12(b) of the Act: NONE
           Securities Registered Pursuant to Section 12(g) of the Act

                         $1.00 Par Value Common Stock
                         ----------------------------
                                (Title of Class)

Indicate by check mark if disclosure of delinquent filers pursuant to Item 
405 of Regulation S-K is not contained herein, and will not be contained, 
to the best of registrant's knowledge, in definitive proxy or information 
statements incorporated by reference in Part III of this Form 10-K or any 
amendment to this form 10-K. [  ]

Indicate by check mark whether the registrant (1) has filed all reports 
required to be filed by Section 13 or 15(d) of the Securities Exchange Act 
of 1934 during the preceding 12 months (or for such shorter period that 
the registrant was required to file such reports), and (2) has been 
subject to such filing requirements for the past 90 days.
                                       Yes  X    No     
                                           ---      ---
The aggregate market value of the registrant's Common Stock held by 
nonaffiliates of the registrant on December 12, 1997 (based on the last 
sale price of $5.125 per share for such stock reported by OTC Bulletin 
Board for that date) was approximately $16,154,195.

As of August 7,1998, the registrant had 5,989,896 shares of Common 
Stock outstanding.
===============================================================================
<PAGE>


                                 PART IV

ITEM 14:  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K
- --------------------------------------------------------------------------

(a)  The financial statements filed herewith are set forth on the Index to
Consolidated Financial Statements on page F-1 of the separate financial 
section that accompanies this Report, which is incorporated herein by 
reference.
 
   The following exhibits are filed as part of this Report:

      Exhibit
       Number           Description
      -------           -----------
        2.1             Purchase Agreement, dated as of November 23,
                        1994, among the Registrant, ProQuip Inc. and     
                        Phase Metrics.(7)

        3.1             Certificate of Incorporation of the registrant,  
                        as amended.(1)

        3.2             By-Laws of the registrant, as amended.
                                                 
        4.1             Certificate of Amendment of the Certificate      
                        of Incorporation of the registrant, filed        
                        on March 6, 1986 (setting forth the provisions  
                        of the Certificate of Incorporation, as amended,  
                        relating to the authorized shares of the         
                        registrant's Common Stock) - included in the copy  
                        of the registrant's Certificate of Incorporation,  
                        as amended, filed as Exhibit 3.1 hereto.

        4.20            Loan Agreement, dated as of June 1, 1987, between  
                        the registrant and Chase Lincoln First Bank, N.A.  
                        ("Chase Lincoln"),relating to a $20,000,000 term  
                        loan to finance the registrant's acquisition of  
                        United Telecontrol Electronics, Inc. (the "UTE Loan 
                        Agreement").(1)

        4.21            First Amendment to Loan Agreement, dated as of  
                        September 30, 1988, amending certain provisions of  
                        the UTE Loan Agreement.(1)

        4.22            Second Amendment to Loan Agreement, dated as of  
                        February 21, 1990, amending certain provisions of  
                        the UTE Loan Agreement.(1)

        4.24            Third Amendment to Loan Agreement, dated as of   
                        January 1, 1991, amending certain provisions of the
                        UTE Loan Agreement.(2)

        4.25            Form of Note, in the amount of $9,181,700, executed
                        by the registrant on January 1, 1991 to evidence  
                        its indebtedness under the UTE Loan Agreement.(2)


<PAGE>
        4.26            Form of Note, in the amount of $2,000,000, executed
                        by the registrant on January 1, 1991 to evidence 
                        its indebtedness under the UTE Loan Agreement.(2)

        4.27            Form of Note, in the amount of $1,000,000,       
                        executed by the registrant on January 1, 1991 to 
                        evidence its indebtedness under the UTE Loan     
                        Agreement.(2)

        4.28            Mortgage, dated January 31, 1991, executed by the  
                        registrant in favor of Chase Lincoln and securing  
                        the registrant's obligation to Chase Lincoln,    
                        including those under the UTE and ProQuip Loan  
                        Agreements.(2)

        4.30            Loan Agreement, dated as of September 30, 1988,  
                        between the registrant and Chase Lincoln relating  
                        to an $8,000,000 term loan to finance the        
                        registrant's acquisition of ProQuip, Inc. (the  
                        "ProQuip Loan Agreement").(1)

        4.31            Negative Pledge Agreement, dated as of September  
                        30, 1988, executed by the registrant in favor of  
                        Chase Lincoln in connection with the ProQuip Loan  
                        Agreement.(1) 

        4.32            Security Agreement, dated as of September 30, 1988,
                        executed by the registrant in favor of Chase     
                        Lincoln and securing the registrant's obligation
                        to Chase Lincoln, including those under the UTE and
                        ProQuip Loan Agreements (the "Chase Lincoln
                        Security Agreement").(1)

        4.33            First Amendment to Loan Agreement, dated as of  
                        February 21, 1990, amending certain provisions of  
                        the ProQuip Loan Agreement.(1)

        4.34            Form of Note, in the amount of $3,375,817.80,    
                        executed by the registrant on February 21, 1990 
                        to evidence its indebtedness under the ProQuip 
                        Loan Agreement.(1)

        4.35            Amendment Number One to Security Agreement, executed
                        by the registrant on February 21, 1990, amending
                        the Chase Lincoln Security Agreement.(1)

        4.36            Mortgage, dated February 21, 1990, executed by the  
                        registrant in favor of Chase Lincoln and securing  
                        the registrant's obligations to Chase Lincoln,  
                        including those under the UTE and ProQuip Loan  
                        Agreements.(1)

        4.37            Second Amendment to Loan Agreement, dated as of 
                        January 1, 1991, amending certain provisions of the 
                        ProQuip Loan Agreement.(2)

        4.38            Mortgage Modification and Allocation Agreement,  
                        dated January 1, 1991, executed by the registrant  
                        and Chase Lincoln.(2)
<PAGE>
        4.40            Form of Payment Guaranty, dated as of September 1,  
                        1988 [as of September 30, 1988, in the case of  
                        ProQuip, Inc.], executed by the subsidiaries of the 
                        registrant in favor of Chase Lincoln and
                        guaranteeing payment of the registrant's         
                        obligations to Chase Lincoln, including those under 
                        the UTE and ProQuip Loan Agreements.(1)

        4.41            Form of Negative Pledge Agreement, dated as of  
                        September 30, 1988, executed by the subsidiaries of 
                        the registrant in favor of Chase Lincoln in      
                        connection with the ProQuip Loan Agreement.(1)

        4.42            Form of Security Agreement, dated as of September 
                        30, 1988, executed by the subsidiaries of the  
                        registrant in favor of Chase Lincoln and securing 
                        the registrant's obligations to Chase Lincoln,  
                        including those under the UTE and ProQuip Loan  
                        Agreements.(1)

        4.43            Acknowledgment, Confirmation and Further Agreement, 
                        made as of February 21, 1990, executed by the  
                        subsidiaries of the registrant in favor of Chase 
                        Lincoln with respect to the registrants obligations 
                        under the UTE and ProQuip Loan Agreements.(1)

        4.50            Debt Restructure Agreement, made as of           
                        February 21, 1990, between the registrant, Chase  
                        Lincoln, and Manufacturers Hanover Trust Company  
                        ("Manufacturers Hanover"), providing for a       
                        restructuring of the registrant's indebtedness to  
                        Chase Lincoln under the UTE and ProQuip Loan     
                        Agreements and of the registrant's outstanding  
                        indebtedness to Manufacturers Hanover (the "MHTCo.  
                        Existing Debt"), among other things.(1)

        4.55            Second Amendment to Debt Restructure Agreement,  
                        made as of January 1, 1991, between the registrant, 
                        Chase Lincoln, and Manufacturers Hanover, amending  
                        certain provisions of the Debt Restructure       
                        Agreement.(2)

        4.56            Second Debt Restructure Agreement, as of July 22,  
			1992, between the registrant, Chase Lincoln First 	
			Bank, N. A. ("CLFB"), and Chemical Bank 			
			("Chemical"), as successor in interest to 		
			Manufacturers Hanover Trust Company, providing for 	
			a restructuring of the registrant's indebtedness to	
			CLFB under the UTE and ProQuip Loan Agreements and 	
			of the registrant's outstanding indebtedness to 	
			Chemical, among other things.(3)

        4.63            Promissory Note, in the amount of $4,000,000 and  
			dated July 22, 1992, executed by the registrant to 	
			evidence its indebtedness to Chemical from time to 	
			time with respect to a line of credit in such
			amount (The Chemical Line of Credit).(3)


<PAGE>
        4.64            Form of Payment Guaranty, dated as of July 24, 1992
                        executed by Masco Corporation in favor of Chemical and
                        guaranteeing payment of the registrant's obligations to
                        Chemical under the Chemical Line of Credit.(3)
                        
        4.65            Promissory Note, in the amount of $4,000,000 and  
			dated October 31, 1994, extending the maturity date	
			of the Promissory note dated July 22, 1992, 		
			executed by the registrant to evidence its 		
			indebtedness to Chemical under the Chemical 		
			Line of Credit.(8)

        4.66            Promissory Note, in the amount of $4,000,000 and
                        dated October 31, 1995, extending the maturity date
                        of the Promissory note dated October 31, 1994,   
                        executed by the registrant to evidence its
                        indebtedness to Chemical under the Chemical Line of 
                        Credit.(9)

        4.67            Form of Payment Guaranty, dated October 31, 1995
                        executed by Masco Corporation in favor of Chemical
                        and guaranteeing payment of the registrant's
                        obligations to Chemical under the Chemical Line of
                        Credit.(9)

        4.80            Amended and Restated Loan Agreement, dated as of
                        July 22, 1992, between the registrant and Chase
                        Lincoln First Bank, N.A., which amends, restates,
                        combines, and supersedes in full the UTE and the
                        ProQuip loan agreements.(3)

        4.81            Form of Note, in the amount of $5,000,000, executed
                        by the registrant on July 24, 1992, the July 22,
                        1992 Loan Agreement.(3)

        4.82            Form of Note, in the amount of $7,984,770,
                        executed by the registrant on July 24, 1992
                        to evidence its indebtedness to CLFB under
                        the July 22, 1992 Loan Agreement.(3)
                        
        4.83            Additional Mortgage Note, dated July 24, 1992,
                        executed by the registrant in favor of CLFB and
                        securing the registrant's obligation to CLFB under
                        the Loan Agreement.(3)

        4.84            Additional Mortgage and Security Agreement, dated
                        as of July 22, 1992, executed by the registrant in
                        favor of CLFB and securing the registrant's
                        obligations to CLFB.(3)
                        
        4.85            Mortgage Consolidation, Spreader, Modification
                        Extension and Security Agreement, dated July
			22, 1992, executed by the registrant and CLFB.(3)
                        
        4.86            Confirmation of Guaranties and Security
                        Agreements, dated July 22, 1992, executed
                        by subsidiaries of the registrant in favor
                        of CLFB with respect to the registrant's
                        obligations to CLFB.(3)
<PAGE>
        4.87            Consent and waiver, dated December 21, 1993,
                        from CLFB to the registrant with respect to the
                        Amended and Restated Loan Agreement.(5)
                        
        4.88            Amendment One to Amended and Restated Loan
                        Agreement, dated as of August 1, 1994, between the
                        registrant and Chase Manhattan Bank, N. A. which
                        amends the Amended and Restated Loan Agreement to
                        defer the payment due on June 30, 1994.(6)

        4.89            Amendment Two to Amended and Restated Loan
                        Agreement with waiver, dated as of November
                        22, 1994, between the registrant and Chase Manhattan
                        Bank, N. A. which amends the Amended and Restated
                        Loan Agreement and waives any existing defaults.(8)
                        
        4.90            Additional Mortgage and Security Consolidation
                        Agreement, dated as of October 6, 1995 executed
                        by the registrant in favor of Chase Manhattan
                        Bank, N.A. and securing the registrant's
                        obligations to Chase Manhattan Bank, N.A.(9)

        4.91            Form of Note, in the amount of $340,000, executed by
                        the registrant on October 6, 1995 to evidence its
                        indebtedness to Chase Manhattan Bank, N.A. under
                        the July 22, 1992 Loan Agreement.(9)

        4.92            Amendment Three to Amended and Restated Loan
                        Agreement with waiver, dated as of November 30,
                        1995, between the registrant and Chase Manhattan
                        Bank, N. A. which amends the Amended and Restated
                        Loan Agreement and waives any existing defaults.(9)
                        
       10.1             Mechanical Technology Incorporated Restricted Stock
                        Incentive Plan-filed as Exhibit 28.1 to the
                        registrant's Form S-8 Registration Statement No.
                        33-26326 and incorporated herein by reference.

       10.3             MTI Employee 1982 Stock Option Plan.(1)

       10.4             Agreement, dated December 21, 1993, between UTE,
       			First Commercial Credit Corporation ("FCCC") and
                        the registrant, relating to an advance against
                        certain receivables.(5) 

       10.6             Agreement, dated June 2, 1993, between the
       			registrant and Mr. Harry Apkarian, Director,
                        regarding his employment.(5)

       10.7             Agreement, dated February 22, 1994, between the
                        registrant and Mr. R. Wayne Diesel, President and
                        Chief Executive Officer, regarding his   
                        employment.(8)

       10.8             Agreement, dated December 14, 1994, between FCCC
                        and the registrant, modifying the Agreement dated
                        December 21, 1993 relating to an advance against
                        certain receivables.(8)

<PAGE>
       10.9             Agreement, dated May 30, 1995, between FCCC
                        and the registrant, extending the maturity of
                        the Agreement dated December 14, 1994 relating
                        to an advance against certain receivables.(9)

       10.10            Agreement, dated June 28, 1995, between FCCC and
                        the registrant, extending the maturity of the
                        Agreement dated December 14, 1994 relating to an
                        advance against certain receivables.(9)

       10.11            Agreement, dated September 21, 1995, between FCCC
                        and the registrant, extending the maturity of the
                        Agreement dated December 14,1994 relating to an
                        advance against certain receivables.(9)

       10.12            Agreement, dated October 25, 1995, between FCCC
                        and the registrant, extending the maturity of
                        the Agreement dated December 14, 1994 relating
                        to an advance against certain receivables.(9)

       10.13            Agreement, dated December 27, 1995, between FCCC
                        and the registrant, extending the maturity of the
                        Agreement dated December 14, 1994 relating to an
                        advance against certain receivables.(9)

       10.14            Mechanical Technology Incorporated Stock Incentive
                        Plan - included as Appendix A to the registrant's
                        Proxy Statement, filed pursuant to Regulation 14A,
                        for its December 20, 1996 Special Meeting of
                        Shareholders and incorporated herein by reference. (10)

       10.15            Agreement, dated December 6, 1996, between the
			registrant and Mr. Martin J. Mastroianni, President
			and Chief Operating Officer, regarding his
			employment. (10)

       10.16            Settlement Agreement and Release, dated as of  
			December 27, 1996, between First Albany Companies	
			Inc. and the registrant, with respect to the		
			registrant's indebtedness and obligations under the	
			Agreement dated December 14, 1994 between FCCC and	
			the registrant relating to an advance against		
			certain receivables. (10)

       10.17            Agreement, dated March 14, 1997, between the     
                        Registrant and Mr. James Clemens, Vice President
                        and General Manager of Ling Electronic, Inc.,    
                        regarding his employment. (11)

       10.18            Limited Liability Company Agreement of Plug Power,
                        L.L.C., dated June 27, 1997, between Edison      
                        Development Corporation and Mechanical Technology,
                        Incorporated. (12) (13)

       10.19            Contribution Agreement, dated June 27, 1997,
                        between Mechanical Technology, Incorporated and  
                        Plug Power, L.L.C. (12) (13)


<PAGE>
       10.20            Asset Purchase Agreement, dated as of September 22,
                        1997, between Mechanical Technology, Incorporated
                        and Noonan Machine Company. (12)

       21               Subsidiaries of the registrant. (12)

       27               Financial Data Schedule (12)
______________________

Certain exhibits were previously filed (as indicated below) and are 
incorporated herein by reference.  All other exhibits for which no other 
filing information is given are filed herewith:

(1) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-K Report, as amended, for its fiscal year ended 
September 30, 1989.

(2) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-Q Report for its fiscal quarter ended December 29, 
1990.

(3) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-Q Report for its fiscal quarter ended June 27, 
1992.

(4) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-K Report for its fiscal year ended September 30, 
1991.

(5) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-K Report for its fiscal year ended September 30, 
1993.

(6) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-Q Report for its fiscal quarter ended July 2, 1994.

(7) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 8-K Report dated November 23, 1994.

(8) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-K Report for its fiscal year ended September 30, 
1994.

(9) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-K Report for its fiscal year ended September 30, 
1995.

(10) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-K Report for its fiscal year ended September 30, 
1996.

(11) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 8-K Report dated May 12, 1997.

(12) Filed as an Exhibit (bearing the same exhibit number) to the 
registrant's Form 10-K Report for the fiscal year ended September 30, 
1997.


<PAGE>
(13) Refiled herewith after confidential treatment request with respect to
certain schedules and exhibits was denied by the Commission.  Confidential
treatment with respect to certain schedules and exhibits was granted.
























































<PAGE>
                                  SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange 
Act of 1934, the registrant has duly caused this report to be signed on its 
behalf by the undersigned, thereunto duly authorized.

                                  MECHANICAL TECHNOLOGY INCORPORATED   


Date: August 13, 1998       By:  /s/ George C. McNamee                   
     ------------------         ---------------------------------------
                                  George C. McNamee
                                  Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of the registrant and 
in the capacities and on the dates indicated.

SIGNATURE                   TITLE                                  DATE  
- ---------                   -----                                  ----
/s/ George C. McNamee       Chairman of the Board of Directors   08/13/98
- -------------------------
George C. McNamee
 
/s/ Cynthia A. Scheuer      Chief Financial Officer
- -------------------------   (Principal Financial and Accounting
Cynthia A. Scheuer          Officer)                                 " 

/s/ Dale W. Church          Director                                 "    
- -------------------------
Dale W. Church

/s/ Edward A. Dohring       Director                                 "    
- -------------------------
Edward A. Dohring

/s/ Alan P. Goldberg        Director                                 "    
- -------------------------
Alan  P. Goldberg

/s/ E. Dennis O'Connor      Director                                 "    
- -------------------------
E. Dennis O'Connor

/s/ Walter L. Robb          Director                                 "    
- -------------------------
Dr. Walter L. Robb

/s/ Beno Sternlicht         Director                                 "    
- -------------------------
Dr. Beno Sternlicht

<PAGE>



                                   EXHIBIT A                    Exhibit 10.18


                      LIMITED LIABILITY COMPANY AGREEMENT

                                       OF

                                PLUG POWER, LLC

                     A DELAWARE LIMITED LIABILITY COMPANY


    THIS LIMITED LIABILITY COMPANY AGREEMENT is made as of this 27th day of
June, 1997, by those parties signing this Agreement on the signature page and
all other persons who become members of Plug Power, LLC ("Company") pursuant
to the terms of this Limited Liability Company Agreement.  

                                    RECITALS

    WHEREAS, Edison Development Corporation, a Michigan corporation ("EDC"),
as the sole Member, formed Plug Power, LLC, a limited liability company, by
filing a certificate of formation ("Certificate") pursuant to the Delaware
Limited Liability Company Act (the "Act") with the Office of the Secretary of
State of the State of Delaware in accordance with the Act on June 11, 1997.

    WHEREAS, the purpose of the Company is to develop, manufacture, market and
distribute fuel cell systems capable of delivering electricity or waste heat and
engage in related activities.
 
    WHEREAS, EDC wishes to admit Mechanical Technology Inc., a New York
corporation ("MTI") as a Member of the Company. 

     WHEREAS, EDC and MTI have agreed to enter into this Limited Liability
Company Agreement to govern the operations and procedures of the Company. 

     NOW, THEREFORE, in consideration of the mutual covenants, conditions and
agreements set forth in this Limited Liability Company Agreement each Member
agrees as follows:





















<PAGE>
                                   ARTICLE I

                                  DEFINITIONS

   1.   Definitions.  For purposes of this Agreement, unless the language or
context clearly indicates that a different meaning is intended, the words,
terms and phrases defined in this section have the following meanings:

   1.1  "Act" means the Delaware Limited Liability Company Act, 6 Del. C.
18-101, et seq., as amended from time to time.

   1.2  "Adjusted Basis" means the basis of the Company's Property as determined
for federal income tax purposes pursuant to Code Section 1011.

   1.3  "Adjusted Capital Account Deficit" means, with respect to any Member,
the deficit balance, if any, in such Member's Capital Account as of the end of
the relevant Taxable Year after giving effect to the following adjustments:

      (a) Credit the Capital Account with any amounts such Member is
     obligated to restore pursuant to any provisions of this Agreement or is
     deemed obligated to restore pursuant to the penultimate sentences of
     Regulations Sections 1.704-2(g)(1) and 1.704-2(i)(5); and

      (b) Debit the Capital Account with the items described in Regulations
     Sections 1.704-1(b)(2)(ii)(d)(4)-(6). 

This definition of Adjusted Capital Account Deficit is intended to comply with
the provisions of Regulations Section 1.704-1(b)(2)(ii)(d) and shall be
interpreted consistently therewith.

   1.4  "Affiliate" means, with respect to any Member, (i) any Person directly
or indirectly controlling, controlled by, or under common control with the
Member, (ii) any Person owning or controlling ten percent (10%) or more of the
outstanding voting interests of the Member, (iii) any officer, director, member
or general partner of the Member, or (iv) any Person who is an officer,director,
member, general partner, trustee, or holder of ten percent (10%) or more of the
voting interests of any Person described in clauses (i) through (iii) of this
sentence.  For purposes of this definition, the term "controls," "is controlled
by," or "is under common control with" shall mean the possession, direct or
indirect, of the power to direct or cause the direction of the management and
policies of a person or entity, whether through the ownership or voting
securities by contract or otherwise.  

   1.5  "Agreement" means this Limited Liability Company Agreement, as it may
be amended from time to time under Article XVI.














<PAGE>
   1.6  "Applicable Federal Rate" means the applicable federal rate as defined
in Code Section 1274. 

   1.7  "Awarded Contracts" means the Contract Proposals for which the Company
has received written confirmation from the other party to the Contract Proposal
by not later than April 1, 1999 that the Contract Proposal has been awarded to
the Company.

   1.8  "Awarded Funds" means the funds received by the Company under the
Awarded Contracts as of April 1, 2001.

   1.9  "Capital Account" means the account maintained for each Member in
accordance with Section 4.6.    

   1.10 "Capital Contributions" means, with respect to any Member, the amount
of money and the initial Gross Asset Value of any Property (other than money)
contributed to the Company under Section 4.1, 4.2, or 4.3, with respect to the
Membership Interest in the Company held by such Member.
                    
   1.11 "Certificate" means the Certificate of Formation of the Company to be
filed with the Office of the Secretary of State of the State of Delaware in
accordance with the Act.  

   1.12 "Class A Member" means any Person listed in Exhibit A, as it may be
amended from time to time.

   1.13 "Class A Membership Interest" means all of the interest of a Class A
Member in the Company, including a Class A Member's: (a) right to a share of the
Profits and Losses of, and to receive distributions from, the Company; (b) right
to inspect the Company's books and records; and (c) Voting Rights and right to
participate in the management and affairs of the Company.

   1.14 "Class B Member" means any Key Employee to whom the Management
Committee has issued a Class B Membership Interest and is listed in Exhibit B,
as it may be amended from time to time.

   1.15 "Class B Membership Interest" means all of the interest of a Class B
Member in the Company, including a Class B Member's right to a share of the
Profits and Losses, and to receive distributions from, the Company, subject to
any vesting schedule which the Management Committee may establish in connection
with the issuance of a Class B Membership Interest to a Key Employee.  No Class
B Member shall have any Voting Rights or right to participate in the management
or affairs of the Company.  Class B Members shall have only such rights as
prescribed by the Act or this Agreement to inspect the Required Records.  All















<PAGE>
Class B Membership Interests will be converted to Class A Membership Interests
on the earlier of the date on which the Company (or its successor) files a
registration statement for the public sale of interests in the Company (or
shares of a successor), under the Securities Act of 1933, upon approval by a
majority of the Class A Shares Issued of (a) a sale, lease, assignment,
transfer, or other conveyance of all or substantially all of the assets of the
Company, or (b) a merger, combination, or dissolution of the Company. The
conversion shall be reflected by amending Exhibit A to reflect the admission of
the Class B Members as Class A Members of the Company and holding the same
number of Class A Shares as the number of Class B Shares previously held by
such Class B. Members.

   1.16 "Code" means the Internal Revenue Code of 1986, as amended.

   1.17 "Contract Proposals" means the contract proposals set forth on Exhibit
D and which Contract Proposals are subject to the approval of the Management
Committee pursuant to Section 7.3(g).  Contract Proposals shall not include
the contracts or contract proposals set forth in Exhibit E.

   1.18 "Contribution Agreements" means the EDC Contribution Agreement and the
MTI Contribution Agreement.

   1.19 "Company" means Plug Power, LLC, a Delaware limited liability company.
   
   1.20 "Company Liability" means any enforceable debt or obligation for which
the Company is liable or which is secured by any Company Property.

   1.21 "Company Minimum Gain" has the meaning set forth in Regulations Sections
1.704-2(b)(2) and 1.704-2(d) for "partnership minimum gain".

   1.22 "Company Property" means any Property owned by the Company.
   
   1.23 "Default Rule" means a rule stated in the Act:

         (a) which structures, defines, or regulates the finances, governance,
   operations, or other aspects of a limited liability company organized under
   the Act; and
       
         (b) which applies except to the extent it is modified or overridden
   through the provisions of a limited liability company's certificate of
   formation or limited liability company.


















<PAGE>
   1.24 "Depreciation" means (a) an amount equal to the depreciation,
amortization, or other cost recovery deduction allowable with respect to an
item of Company Property for each Taxable Year, or (b), if the Gross Asset
Value of an item of Company Property differs from its Adjusted Basis at the
beginning of a Taxable Year, Depreciation shall equal the amount of the
depreciation, amortization, or other cost recovery deduction for such Taxable
Year determined as if such Property's Adjusted Basis equalled its Gross Asset
Value.  

   1.25 "Disassociation" means the occurrence of any event which causes a Key
Employee Member to become a Disqualified Person.

   1.26 "Disqualified Person" means a Key Employee Member who:
   
         (a) terminates his/her employment with the Company for any reason
   prior to age sixty (60);

         (b) whose employment is terminated by the Company for any or no
   reason at any time; or
   
         (c) who makes an assignment for the benefit of creditors, files a
   voluntary petition of bankruptcy, is adjudicated bankrupt or insolvent,  or
   an order for relief in any bankruptcy or insolvency proceeding is entered
   against the Key Employee Member; files a petition seeking any reorganization,
   arrangement, composition, readjustment, liquidation, or similar relief under
   any statute, law or regulation; seeks, consents to, or acquiesces in the
   appointment of a trustee for the Key Employee Member or all or any
   substantial part of the Key Employee Member's properties; files an answer
   or other pleading admitting or failing to contest the material allegations of
   a petition filed against the Key Employee Member in any proceeding described
   above; any proceeding filed against the Key Employee Member seeking
   reorganization, arrangement, composition, a readjustment, liquidation,
   dissolution, or similar relief under any statute, law, or regulation,
   continues for one hundred twenty (120) days after the commencement thereof;
   or the appointment of a trustee for the Key Employee Member or all or any
   substantial part of the Member's properties without the Member's agreement
   or acquiescence, which appointment is not vacated or stayed within one
   hundred twenty (120) days or, if the appointment is stayed, continues for
   one hundred twenty (120) days after the expiration of the stay during which
   period the appointment is not vacated.
   
   1.27 "EDC" means Edison Development Corporation, a Michigan corporation.

















<PAGE>
   1.28 "EDC Contribution Agreement" means the Contribution Agreement dated as
of the date of this Agreement between the Company and EDC.

   1.29 "Gross Asset Value" means, with respect to any Property, the Property's
Adjusted Basis, except as follows: 

         (a) The initial Gross Asset Value of any Property contributed by a
   Member shall be the gross fair market value of such Property, as determined
   by the contributing Member and the Management Committee;
   
         (b) The Gross Asset Value of all Company Property shall be adjusted to
   equal its gross fair market value, as determined by the Management Committee,
   at the following times:  (i) the acquisition of an additional Membership
   Interest by any new or existing Member in exchange for more than a de minimis
   Capital Contribution; (ii) the distribution by the Company to a Member of
   more than a de minimis amount of the Company Property as consideration for a
   Membership Interest in the Company; and (iii) the liquidation of the Company
   within the meaning of Regulations Section 1.704-1(b)(2)(ii)(g); provided,that
   adjustments under clauses (i) and (ii) above shall be made at the sole
   election of the Management Committee;

         (c) The Gross Asset Value of Company Property distributed to a Member
   shall be adjusted to equal its gross fair market value on the date of
   distribution; and

         (d) The Gross Asset Value of Company Property shall be adjusted to
   reflect any adjustments pursuant to Code Section 734(b) or Code Section 743
   (b), but only as required under Regulation Section 1.704-1(b)(2)(iv)(m) and
   Section 5.2(g) of this Agreement.


If the Gross Asset Value of any Company Property has been determined or adjusted
pursuant to subsections (a), (b) or (d) of this definition, such Gross Asset
Value shall thereafter be adjusted by the Depreciation computed as provided in
Section  1.24(b).

   1.30 "Involuntary Withdrawal" means, with respect to any Class A Member, the
occurrence of any of the following events: 

         (a) The Member: makes an assignment for the benefit of creditors,
   files a voluntary petition of bankruptcy, is adjudicated bankrupt or
   insolvent, or an order for relief in any bankruptcy or insolvency proceeding
   is entered against the Member; files a petition seeking for the Member any
   reorganization, arrangement, composition, readjustment, liquidation,
   dissolution, or similar relief under any statute, law or regulation; seeks,
   consents to, or acquiesces in the appointment of a trustee for, receiver for,
   or liquidation of the Member, or of all or any substantial part of the












<PAGE>
   Member's properties; or the Member files an answer or other pleading
   admitting or failing to contest the material allegations of a petition filed
   against the Member in any proceeding described above;

         (b) Any proceeding against the Member seeking reorganization,
   arrangement, composition, a readjustment, liquidation, dissolution, or
   similar relief under any statute, law, or regulation, continues for one
   hundred twenty (120) days after the commencement thereof, or the appointment
   of a trustee, receiver, or liquidator for the Member or all or any
   substantial part of the Member's properties without the Member's agreement or
   acquiescence, which appointment is not vacated or stayed within one hundred
   twenty (120) days or, if the appointment is stayed, continues for one hundred
   twenty (120) days after the expiration of the stay during which period the
   appointment is not vacated;

         (c) If the Member is acting as a Member by virtue of being a trustee
   of a trust, the termination of the trust;

         (d) If the Member is a partnership or limited liability company, the
   dissolution and commencement of winding up of the partnership or limited
   liability company;
   
         (e) If the Member is a corporation, the dissolution of the corporation
   or the revocation of its charter; or
   
         (f) If the Member is an estate, the distribution by the fiduciary of
   the estate's entire interest in the Company.

   1.31 "Key Employee" means any person designated by the Management Committee
   as a Key Employee and as eligible to become a Class B Member.
   
   1.32 "Management Committee" means the committee appointed under Section 7.1.

   1.33 "Manager" means any Person appointed to the Management Committee by
a Class A Member. A Manager may sit on the board of directors or management
committee of another Person, even if the business of such Person, or that of any
Affiliate of such Person, is in direct or indirect competition with the fuel
cell business of the Company, provided such Manager refrains from taking any
action that would be in violation of the Manager's duties and obligations to
the Company and Members set forth in the Act or this Agreement, including,
without limitation, the duties and obligations set forth in Section 7.5.


















<PAGE>
   1.34 "Member" means any Person that is a Class A Member or a Class B
Member.  

   1.35 "Member Nonrecourse Deductions" has the meaning set forth in
Regulations Sections 1.704-2(i)(1) and (2).

   1.36 "Member Nonrecourse Liability" has the meaning set forth in Regulations
Section 1.704-2(b)(4).   

   1.37 "Member Nonrecourse Liability Minimum Gain" means an amount, with
respect to each Member Nonrecourse Liability, equal to the Company Minimum Gain
that would result if such Member Nonrecourse Liability were treated as a
Nonrecourse Liability, determined in accordance with Regulations Section
1.704-2(i)(3).

   1.38 "Membership Interest" means a Class A Membership Interest or a Class B
Membership Interest.

   1.39 "MTI" means Mechanical Technology Incorporated, a New York corporation.
  
   1.40 "MTI Contribution Agreement" means the Contribution Agreement dated as
of the date of this Agreement between the Company and MTI.
     
   1.41 "Net Awarded Funds" means the Awarded Funds less any amounts the
Company is required under the terms of the Awarded Contracts to expend under
subcontracts with third parties for the performance of the Company's obligations
under the Awarded Contracts.

   1.42 "Net Income" means the net income (or loss) of the Company, for any
applicable period of determination, determined in accordance with generally
accepted accounting principals, but excluding therefrom any gains or losses on
the sale or other disposition, not in the ordinary course of business, of
investments or fixed or capital asset.

   1.43 "Net Operating Income"  means the Net Income of the Company, for any
applicable period of determination, less the amount used to pay or establish
reserves for all Company expenses, debts, payments, capital improvements,
reinvestments, replacements and contingencies, all as determined by the
Management Committee.

   1.45 "Nonrecourse Deductions" has the meaning set forth in Regulations
Section 1.704-2(b)(1).

   1.46 "Nonrecourse Liabilities" has the meaning set forth in Regulations
Section 1.704-2(b)(3).   














<PAGE>
   1.47 "Person" includes a natural person, limited liability company,
corporation, partnership, limited partnership, joint venture, association,
business trust, estate, trust, enterprise, and any other legal entity.

   1.48 "Profits and Losses" means an amount equal to the Company's taxable
income or loss for each Taxable Year, determined in accordance with Code Section
703(a) (for this purpose, all items of income, gain, loss, or deduction required
to be stated separately pursuant to Code Section 703(a)(1) shall be included in
taxable income or loss) adjusted as follows: 

         (a) Income exempt from federal income tax shall be added to such
   taxable income or loss;

         (b) Expenditures described in or treated as Code Section 705(a)(2)(B)
   expenditures (pursuant to Regulations Section 1.704-1(b)(2)(iv)(i)) shall be
   subtracted from such taxable income or loss;
   
         (c) Adjustments to the Gross Asset Value of any Company Property
   pursuant to subsection (b) or (c) of the "Gross Asset Value" definition shall
   be taken into account as gain or loss from the disposition of such Property
   for purposes of computing Profits and Losses;
   
         (d) Gain or loss which is recognized for federal income tax purposes as
   a result of any disposition of Property shall be computed by reference to the
   Gross Asset Value of such Property, notwithstanding that its Adjusted Basis
   differs from its Gross Asset Value; 

         (e) In lieu of the depreciation, amortization, and other cost recovery
   deductions taken into account in computing such taxable income or loss, there
   shall be taken into account Depreciation computed in accordance with the
   provisions of Section 1.24; and 

         (f) Notwithstanding any other provision of this definition, any items
   which are specially allocated pursuant to Section 5.2 or Section 5.3 shall
   not be taken into account in computing Profits or Losses.
   
   1.49 "Projected Net Awarded Funds" has the meaning set forth in Section 4.7.

   1.50 "Property" means all property whether real or personal, tangible or
   intangible (including goodwill), but excluding services and promises to
   perform services in the future.


















<PAGE>
   1.51 "Regulations" means the permanent, temporary, proposed, or proposed and
temporary regulations promulgated under the Code, as such regulations may be
amended from time to time (including corresponding provisions of succeeding
regulations).

   1.52 "Required Records" means those records that the Company is required to
maintain under Section 10.1 and under the Act.

   1.53 "Share" means a single unit of either a Class A Membership Interest or
Class B Membership Interest.

   1.54 "Shares Authorized" means the total number of Shares which may be issued
by the Management Committee or as otherwise provided in this Agreement with the
total number of authorized Shares for a Class A Membership Interest to equal
18,000,000 and the total number of Shares for a Class B Membership Interest to
equal 3,000,000.

   1.55 "Shares Issued" means the number of Shares of Class A Membership
Interest issued to a Member as reflected on Exhibit A under the column "Shares"
or the number of Shares of Class B Membership Interest issued to a Member as
reflected on Exhibit B under the column "Shares".

   1.56 "Taxable Year" means the taxable year of the Company as determined
pursuant to Code Section 706.  

   1.57 "Transfer" means, when used as a noun, any voluntary sale,hypothecation,
pledge, assignment, or other transfer, and, when used as a verb, means
voluntarily to sell, hypothecate, pledge, assign or otherwise transfer.

   1.58 "Voluntary Withdrawal" means a Class A Member's disassociation with the
Company by means other than by ceasing to be a Member as a result of an
Involuntary Withdrawal.
  
   1.59 "Voting Rights" means each Class A Member's right under the Act, the
Certificate, or this Agreement to cast the number of votes on any matter subject
to a vote or to the consent of Class A Members equal to the number of Shares
owned by the Class A Member. 

   1.60 "Withdrawn Member" means any Class A Member that is the subject of a
Voluntary or Involuntary Withdrawal. 



















<PAGE>
                                   ARTICLE II

                     ORGANIZATION OF LIMITED LIABILITY COMPANY

   2.1  Formation.  The parties hereby organize a limited liability company
pursuant to the Act and the terms of this Agreement and, for that purpose, will
cause a Certificate of Formation to be filed with the Office of the Secretary
of State of Delaware.

   2.2  Name.  The name of the Company is Plug Power, LLC  The Company may
also conduct its business under one or more assumed names duly approved by a
resolution of the Management Committee.

   2.3  Term.  The term of the Company will begin upon the acceptance of the
Certificate by the Office of the Secretary of State of Delaware and shall
continue in existence in perpetuity or until the Company shall be sooner
dissolved and its affairs wound up in accordance with the Act or this Agreement.

   2.4  Purpose.  The purpose of the Company is to plan, develop, finance,
patent, manufacture, market and distribute fuel cell systems capable of
delivering electricity or waste heat and related and ancillary services.  The
Company shall have all the powers necessary or convenient to effect any such
purpose, including all powers given to a limited liability company under the
Act.

   2.5  Initial Date.  This Agreement is made on this 27th day of June, 1997.
   
   2.6  Registered Office and Resident Agent.  The registered office and
resident agent of the Company shall be as designated in the Certificate, as it
may be amended from time to time.

   2.7  Principal Office.  The principal office of the Company shall be located
at 968 Albany - Shaker Road, Latham, New York  12110 or such other location as
determined by the Management Committee. 

   2.8  Representations, Warranties, and Covenants of Members.   

        (a) Each non-individual Member represents, warrants and covenants that:

          (i)  It is validly organized and existing and in good standing
        according to the laws of the state of its incorporation or organization,
        and it is qualified to do business in every jurisdiction where the
        failure to be so qualified would have a material adverse effect on its
        ability to perform its obligations under this Agreement;















<PAGE>
         (ii)  This Agreement is duly authorized, executed and delivered on
        behalf of such Member and constitutes the valid and binding obligations
        of such Member enforceable in accordance with the terms of such
        Agreement;

        (iii)  Neither the formation of the Company, the execution and delivery
        of this Agreement (including all contracts or other agreements necessary
        to carry out the purposes of this Agreement), nor the performance of the
        obligations undertaken pursuant to this Agreement will contravene any
        provision of, or constitute a default under, any indenture, mortgage,
        debenture, or other agreement of such Member, any order of any court,
        commission, or governmental agency having jurisdiction, or violate any
        law or regulation affecting or governing the Member or the business
        conducted by the Member; and 

         (iv)  It will not willfully or knowingly violate any law or regulation
        regarding the Company or its business.
        
        (b) Each individual member represents , warrants and covenants that: 

          (i)  This Agreement is the valid and binding obligation of such
        Member; 

         (ii)  Neither the entering into nor the performance of this Agreement
        will violate the terms or conditions of any agreement or order binding
        on the Member; and 

        (iii)  He or she will not violate any law or regulation regarding the
        Company or its business.  


                                   ARTICLE III

                          BACKGROUND OF THIS AGREEMENT

   3.1  Intent of this Agreement.  The parties to this Agreement have reached an
understanding concerning: (i) their business relationship with each other in
connection with the purpose of the Company; and (ii) the organization and
operation of the Company and its business.  The parties intend this Agreement
to control the business and affairs of the Company, including the Company's
governance structure, the Company's dissolution, winding up, liquidation and
termination, and the relations between the Company's Members.

















<PAGE>
   3.2  Relationship of Agreement to Default Rules.  Whether or not this
Agreement specifically refers to a Default Rule, if any provision of this
Agreement conflicts with a Default Rule, the provision of this Agreement shall
control and the Default Rule shall be modified or overridden accordingly.   

   3.3  Advice of Counsel.  Each person signing this Agreement understands
that this Agreement contains legally binding provisions, has had the opportunity
to and has either consulted a lawyer or purposefully chosen not to consult a
lawyer.

                                   ARTICLE IV

                       CONTRIBUTIONS AND CAPITAL ACCOUNTS

   4.1  Initial Contributions.  

        (a)  The initial Members, EDC and MTI, have entered into their
   respective Contribution Agreements and made such Capital Contributions to
   the Company as required thereunder each in exchange for the number of Shares
   of Class A Membership Interest as set forth on Exhibit A; provided, however,
   MTI's Membership Interest is subject to reduction as set forth in Section
   4.7.  The fair market value of EDC's and MTI's Capital Contributions and the
   Adjusted Basis of each Capital Contribution are as set forth on Exhibit A.
   
        (b) Admission of Class A Members.  In the event that the Management
   Committee decides to admit additional Class A Members, each new Class A
   Member shall make as its Capital Contribution the contribution required by
   the Management Committee in its written offer to such Person (as required
   under Section 11.1) in exchange for the issuance of the number of Shares of
   Class A Membership Interest set forth in such offer.
   
        (c) Admission of Class B Members.  In the event that the Management
   Committee decides to admit Class B Members, each new Class B Member shall
   make as its Capital Contribution the contribution required by the Management
   Committee in its written offer to such Person (as required under Section
   11.2) in exchange for the issuance of the number of Shares of Class B
   Membership set forth in such offer.  

   4.2  Additional Capital Contributions. 

        (a) Except as provided in this Section 4.2, the Company has no right to
   require any Member to make additional capital contributions.  This section

















<PAGE>
   does not release any Member from any obligation or promise of future
   performance that the Company has accepted as a Capital Contribution.  

        (b) EDC agrees that, subject to subsection 4.2(f), the Company may
   call upon EDC, from time to time and as required, for additional cash
   contributions from EDC in an amount not to exceed, in the aggregate,
   $4,250,000.00 (each additional EDC capital contribution is an "EDC
   Contribution"); provided, however, EDC shall not be required to make
   additional capital contributions under this subsection during the twelve
   (12) month period after the date of this Agreement. For each $1.00 of
   additional capital contributions made by EDC, EDC shall receive one (1)
   Share of Class A Membership Interest.

        (c) Upon receipt of each EDC Contribution, the Company shall notify
   MTI in writing of such contribution.  Such notice shall include the amount
   of the EDC Contribution, the date of the EDC Contribution, and the number
   of Shares of Class A Membership interest issued to EDC in exchange for the
   EDC Contribution. MTI shall have five (5) days after receipt of such notice
   to request in writing an option to purchase ("Option") additional Shares of
   Class A Membership Interest in an amount not to exceed the number of Shares
   of Class A Membership Interest issued to EDC as set forth in the notice for
   the option price set forth in the notice. Within five (5) days after receipt
   of such request, the Company shall execute and deliver to MTI an option to
   purchase Shares of Class A Membership Interest in the form attached as
   Exhibit F ("Option Agreement - Contribution Match").  MTI's written request
   for the Option shall constitute MTI's agreement to terms and conditions of
   the Option Agreement - Contribution Match.

        (d) If the Net Awarded Funds exceed $8,000,000.00, MTI shall receive
   a credit equal to 18.75% of the amount of Net Awarded Funds in excess of
   $8,000,000.00.  Such credit shall be applied toward the purchase price
   payable for any additional Shares purchased by MTI under any of the Option
   Agreements - Contribution Match delivered to MTI under subsection 4.2(c).
   If such credit is earned prior to expiration of the term of any such Option
   Agreement, MTI may request the return of any cash payments made by MTI under
   any such Option Agreement and prior to such expiration date up to the amount
   of the credit in accordance with and subject to the terms and conditions of
   any such Option Agreement.  

        (e) In the event MTI's Membership Interest is reduced pursuant to
   subsection 4.7(b), MTI shall have until October 6, 1999 to request an option
   to repurchase the Returned MTI Shares.  Within five (5) days after receipt of
   such written request, the Company shall issue to MTI an Option Agreement in
   the form attached as Exhibit G ("Option Agreement - Returned Shares").  MTI's















<PAGE>
   request for such option shall constitute MTI's agreement to the terms and
   conditions of the Option Agreement - Returned Shares.

        (f) The obligations of EDC to make additional capital contributions
   under this Section 4.2 shall at all times be conditioned upon the Company
   achieving the Milestones by the Milestone Dates, as such terms are defined
   in and in accordance with the schedule set forth in Exhibit C.
   
   4.3  Additional Capital Financing.

        (a)  In the event the Management Committee determines that the Company
   needs additional financing to meet its working capital or capital investment
   requirements, the Management Committee shall determine the structure and the
   pricing of the debt and/or equity offering necessary to raise such additional
   financing.  If the Management Committee cannot agree on the structure and
   pricing of such financing, such determination shall be made by a reputable,
   nationally recognized investment banking firm, experienced in structuring
   and pricing debt and/or equity offerings in similar industries, selected by
   the Management Committee.

        (b) If equity and/or debt financing is determined to be necessary
   pursuant to (a) above and the nature of such transaction is predominantly to
   raise capital in the form of cash, such equity and/or debt financing shall
   be offered first to the Class A Members as voluntary additional Capital
   Contributions.  All such calls on the Class A Members for additional Capital
   Contributions made pursuant to this Section 4.3 shall be in writing and
   shall contain the following information:

          (1)  The total amount of the additional financing to be raised by the
        Company and a description of the debt and/or equity structure and
        pricing of such financing, including, but not limited to, the number of
        Shares of Class A Membership Interest offered and the price for each
        Share so offered;

          (2)  The amount of such additional financing that the Company
        requests each Class A Member provide to the Company, including the
        amount requested from the Class A Member to whom the request is
        addressed, which amounts shall be in proportion to each Class A Members'
        ownership of Shares of Class A Membership Interest;
        
          (3)  The purpose for which the funds are to be applied set forth in
        reasonable detail; and

















<PAGE>
          (4)  The date, not less than thirty (30) days after the written call,
        on which funding of the additional financing shall be made by the Class
        A Member, if such Class A Member elects to participate in the additional
        financing.  

   All calls for additional financing made pursuant to this Section 4.3 shall
   be voluntary and none of the Class A Members shall be obligated to
   participate in any additional financing under this Section 4.3.  In the event
   a Class A Member elects not to participate in additional financing pursuant
   to this Section 4.3, the Management Committee shall notify the remaining
   Class A Members within fifteen (15) days after the expiration of the 30-day
   period provided in Section 4.3(b)(4), and the remaining Class A Members shall
   have the option to provide such non-participating Class A Member's additional
   financing, pro rata in proportion to their ownership of Shares of Class A
   Membership Interest, within thirty (30) days after receipt of notice from the
   Management Committee.

        (c) Any such equity and/or debt financing not raised through additional
   financing from the Class A Members pursuant to Section 4.3(b) may be offered
   to Class B Members or non-Members in accordance with the structure and
   pricing determined pursuant to Section 4.3(a).

        (d) The preemptive rights of the Class A Members pursuant to Section
   4.3(b) shall not prohibit the Management Committee from issuing Shares of
   Class A Membership Interest to non-Class A Members (i) in exchange for
   services rendered in connection with any debt and/or equity financing
   pursuant to this Section 4.3, or (ii) in connection with any transaction
   the predominate purpose of which is to acquire all or any part of a Person
   or any of its business or assets, whether structured as an asset purchase
   or a purchase of stock or other equity.

   4.4  No Right to Return of Capital Contributions.  Except as otherwise
provided in this Agreement, no Member shall demand or receive a return of its
Capital Contributions or withdraw from the Company without the consent of all
Members.  No Member shall be entitled to receive interest on its Capital
Contributions.  Under any circumstance that requires a return of all or part
of any Capital Contribution, no Member shall have the right to receive any
Property other than money, except as otherwise provided in this Agreement.

   4.5  Loans and Advances by Members.

        (a) Interest Bearing Loans.  If at any time or times the Company needs
   additional funds which, for any reason, the Company does not raise through
   an increase in the Company capital or through advances, the funds may be
   borrowed from any one or more of the Members, at a rate of interest equal














<PAGE>
   to the Applicable Federal Rate and on such payment terms as may be agreed
   upon by the lending Member(s) and the Management Committee.  These loans
   shall be evidenced by promissory notes signed on behalf of the Company.
   
        (b) Non-Interest Bearing Advances.  Any Member may advance money
   to the Company in excess of the Member's Capital Contribution.  The amount
   of the advance shall not increase the Member's Membership Interest, Capital
   Account, or Shares, but rather the amount of the advance will be a demand
   obligation of the Company to that Member and will be fully repaid, without
   interest, before distributions, or any withdrawals of capital, are made with
   respect to any Member.

   4.6  Capital Accounts.  The Company shall establish and maintain for each
Member, a Capital Account in accordance with the following provisions:

        (a) To each Member's Capital Account there shall be credited such
   Member's Capital Contributions, such Member's distributive share of Profits
   and any items in the nature of gain which are specially allocated pursuant
   to Section 5.2 or Section 5.3, and the amount of any Company Liabilities
   assumed by such Member or which are secured by any Property distributed to
   such Member;

        (b) To each Member's Capital Account there shall be debited the amount
   of cash and the Gross Asset Value of any Property distributed to such Member
   pursuant to any provision of this Agreement, such Member's distributive
   share of Losses and any items in the nature of expenses or losses which are
   specifically allocated pursuant to Section 5.2 of Section 5.3, and the amount
   of any liabilities of such Member assumed by the Company or which are secured
   by any Property contributed by such Member to the Company; and
   
        (c) In the event all or a portion of a Member's Shares are transferred
   in accordance with the terms of this Agreement, the assignee shall succeed to
   the Capital Account of the transferor to the extent it relates to the
   transferred Shares.

   The Capital Accounts shall be maintained in accordance with Section 1.704-1b
of the Regulations, and shall be interpreted and applied in a manner consistent
with such Regulations, notwithstanding any provision of this Agreement to the
contrary.  In the event the Management Committee shall determine that it is
prudent to modify the manner in which the Capital Accounts, or any debits or
credits thereto are computed in order to comply with such Regulations, the
Management Committee may make such modification, provided that it is not likely
to have a material effect on the amounts distributed to any Member pursuant to
Article XIII hereof upon the dissolution of the Company.















<PAGE>
   4.7  Reduction in MTI's Capital Contribution.  It is anticipated that the Net
Awarded Funds from the Contract Proposals will be Eight Million Dollars
($8,000,000.00) ("Projected Net Awarded Funds").  If the Net Awarded Funds from
the Contract Proposals are less than the Projected Net Awarded Funds, MTI's
Capital Account shall be reduced by an amount equal to $1,750,000 multiplied by
the percentage determined by dividing the difference between the Projected Net
Awarded Funds and the Net Awarded Funds by the Projected Net Awarded Funds
("Research Debit").  The number of Shares of Class A Membership Interest held
by MTI shall be reduced by one Share for each $1.00 of the Research Debit
("Returned MTI Shares").  Adjustments will be made to MTI's Capital Account and
Shares at the close of business on October 1, 1999 to reflect the Net Awarded
Funds.  If greater  than one hundred percent (100%) of the Projected Net Awarded
Funds are received by the Company, no adjustments will be made to MTI's Capital
Account or Shares except as provided in subsection 4.2(d).

   4.8  Requested Registration.  At any time following five (5) years after the
date of this Agreement, upon the request of Class A Members holding not less
than twenty-five (25%) of the Shares of Class A Membership Interest entitled to
vote ("Initiating Members"), the Company shall retain an independent reputable
and nationally recognized investment banking firm ("Advisor") experienced in
advising on the registration of Shares of businesses similar to the Company and
acceptable to the Company and the Initiating Member, to propose to the Company
the optimal time to effect registration of the Shares held by the Company and
the offering price for such Company Shares. The Advisor shall make such proposal
in a writing ("Proposal") delivered to the Company within sixty (60) days after
the Advisor is retained by the Company.  The Company shall provide the Class A
Members with copies of the Advisor's Proposal within thirty (30) days after
receipt of the Proposal.  If the Advisor's Proposal recommends pursuing
registration at that time, the Initiating Members may require the Company to
effect registration of the Company Shares in accordance with the Advisor's
Proposal.  If necessary in order to effect registration of the Company Shares
in accordance with the Advisor's Proposal, the Members authorize the Company to
increase the number of Shares Authorized to an amount sufficient to effect the
registration, and authorize the Company to merge the Company into a Delaware
corporation and exchange their Shares in the Company for an equal number of
Shares in the surviving Delaware corporation.

   In the event the advisor's proposal recommends against effecting registration
at that time, the Company shall not be obligated to pursue such registration,
and the Member shall not be entitled request the Company to retain an advisor
again for the purpose set forth above for a period of twelve (12) months after
the date of the advisor's proposal recommending against effecting a registration
at that time.
















<PAGE>
                                   ARTICLE V 

                        ALLOCATIONS AND DISTRIBUTIONS

   5.1  Allocations of Profits and Losses from Operations.  

        (a) Profits.  After giving effect to the special allocations in Sections
   5.2 and 5.3, Profits shall be allocated among the Members in proportion to
   the number of Shares owned by each Member and the number of Shares Issued.

        (b) Losses.  After giving effect to the special allocations in Sections
   5.2 and 5.3, Losses shall be allocated among the Members in proportion to the
   number of Shares owned by each Member and the number of Shares Issued.
   
   5.2  Special Allocations.  The following special allocations shall be made in
the following order: 

        (a) Minimum Gain Chargeback.  To the extent and in the manner provided
   in Section 1.704-2(f) of the Regulations, if there is a net decrease in
   Company Minimum Gain during any Taxable Year, each Member shall be specially
   allocated items of Company income and gain for such fiscal year (and, if
   necessary, subsequent fiscal years) in an amount equal to such Member's share
   of the net decrease in Company Minimum Gain, determined in accordance with
   Section 1.704-2(g) of the Regulations.  Allocations pursuant to the previous
   sentence shall be made in proportion to the respective amounts required to be
   allocated to each Member pursuant thereto.  This Section 5.2(a) is intended
   to comply with the minimum gain chargeback requirement in Section 1.704-2(f)
   of the Regulations and shall be interpreted consistently therewith.


        (b) Member Minimum Gain Chargeback.  To the extent and in the manner
   provided in Section 1.704-2(i)(4) of the Regulations, if there is a net
   decrease in Member Minimum Gain attributable to a Member Nonrecourse
   Liability during any fiscal year, each Member who has a share of the Member
   Minimum Gain attributable to such Member Nonrecourse Liability shall be
   specially allocated items of Company income and gain for such fiscal year
   (and, if necessary, subsequent fiscal years) in an amount equal to such
   Member's share of the net decrease in Member Minimum Gain attributable to
   such Member Nonrecourse Liability, determined in accordance with Regulations
   Section 1.704-2(i)(4).  Allocations pursuant to the previous sentence shall
   be made in proportion to the respective amounts required to be allocated to
   each Member pursuant thereto.  The items to be so allocated shall be
   determined in accordance with Sections 1.704-2(i)(4) an 1.704-2(j)(2) of the
   Regulations.  This Section 5.2(b) is intended to comply with the minimum gain
   chargeback requirement in Section 1.704-2(i)(4) of the Regulations and shall
   be interpreted consistently therewith.













<PAGE>
        (c) Qualified Income Offset.  In the event any Member unexpectedly
   receives any adjustments, allocations, or distributions described in Treasury
   Regulation Sections 1.704(b)(2)(ii)(d)(4), 1.704-1(b)(2)(ii)(d)(5), or 1.704-
   1(b)(2)(ii)(d)(6), items of Company income and gain shall be specifically
   allocated to each such Member in an amount and manner sufficient to
   eliminate, to the extent required by the Treasury Regulations, the Adjusted
   Capital Account Deficit of such Member as quickly as possible, provided that
   an allocation pursuant to this Section 5.2(c) shall be made only if and to
   the extent that such Member would have an Adjusted Capital Account Deficit
   after all other allocations provided for in this Section 5 have been
   tentatively made as if this Section 5.2(c) were not in this Agreement.

        (d) Gross Income Allocation.  In the event any Member has an Adjusted
   Capital Account Deficit at the end of any fiscal year, each such Member shall
   be specially allocated items of Company income and gain in the amount of such
   excess as quickly as possible, provided that an allocation pursuant to this
   Section 5.2(d) shall be made only if and to the extent that such Member would
   have Adjusted Capital Account Deficit after all other allocations provided
   for in this Section 5 have been made as if Section 5.2(c) and this Section
   5.2(d) were not in the Agreement.

        (e) Nonrecourse Deductions.  Nonrecourse Deductions shall be allocated
   among the Members in proportion to the number of Shares owned by each Member
   to the number of Shares Issued.
   
        (f) Member Nonrecourse Deductions.  Any Member Nonrecourse Deductions
   for any fiscal year shall be specially allocated to the Member who bears the
   economic risk of loss with respect to the Member Nonrecourse Liability to
   which such Nonrecourse Deductions are attributable in accordance with
   Regulations Section 1.704-2(i)(1).
   
        (g) Section 754 Adjustments.  If an adjustment to the Adjusted Basis of
   any Company Property pursuant to Code Section 734(b) or Code Section 743(b)
   is required, pursuant to Regulations Section 1.704-1(b)(2)(iv)(m)(2) or
   Regulations Section 1.704-1(b)(2)(iv)(m)(4), to be taken into account in
   determining Capital Accounts as the result of a distribution to a Member in
   complete liquidation of his or her Membership Interest in the Company, the
   amount of such adjustment shall be treated as an item of gain or loss and
   shall be specially allocated to the Members in proportion to the number of
   Shares owned by each Member and the number of Shares Interest in the event
   that Regulations Section 1.704-1(b)(2)(iv)(m)(2) applies, or to the Member
   to whom such distribution was made in the event that Regulations Section
   1.704-1(b)(2)(iv)(m)(4) applies.

   5.3  Curative Allocations.  The allocations set forth in Sections 5.2(a)-5.2
(g) hereof (the "Regulatory Allocations") are intended to comply with certain
requirements of the Regulations.  It is the intent of the Members that, to the












<PAGE>
extent possible, all Regulatory Allocations shall be offset either with other
Regulatory Allocations or with special allocations of other items of Profits or
Losses pursuant to this Section 5.3.  Therefore, notwithstanding any other
provision of this Section 5 (other than the Regulatory Allocations), the
Management Committee shall make such offsetting special allocations of items of
Profit or Loss in whatever manner it determine(s) appropriate so that, after
such offsetting allocations are made, each Member's Capital Account balances,
to the extent possible, are equal to the Capital Account balance such Member
would have had if the Regulatory Allocations were not part of the Agreement
and all items of Profit and Loss were allocated pursuant to Section 5.1.

   5.4  Tax Allocations:  Code Section 704(c).  In accordance with Code Section
704(c) and the Regulations thereunder, Profits and Losses which relate to any
Property contributed by a Member to the Company shall, solely for tax purposes,
be allocated among Members so as to take account of any variation between the
Property's Adjusted Basis and its initial Gross Asset Value.


                                   ARTICLE VI

                                 DISTRIBUTIONS

   6.1  Distributions of Net Operating Income.  Subject to the limitations of
Section 6.3 and the Act, the Management Committee shall distribute (within
seventy-five (75) days after the end of each fiscal year of the Company) to the
Members in proportion to the number of Shares owned by each Member and the
number of Shares Issued, the lesser of (a) Net Operating Income for the
preceding fiscal year of the Company, or (b) an amount equal to the total
expected federal and Michigan income tax liability (determined at the highest
individual federal and Michigan marginal income tax rates) of all Members on
account of their Membership Interest in the Company during the preceding fiscal
year.  If the Net Operating Income for the preceding fiscal year of the Company
exceeds the required distribution amount under this Section 6.1, then, in the
sole discretion of the Management Committee and subject to the limitations of
Section 6.3 and the Act,the Management Committee may make additional
distributions of Net Operating Income to the Members in proportion to the number
of Shares owned by each Member to the number of Shares Issued.  

   6.2  Amounts Withheld. All amounts required to be withheld pursuant to the
Code or any provision of any state or local tax law with respect to any payment,
distribution, or allocation to the Members, shall be treated as amounts
distributed to the Members pursuant to this Article VI.  The Management
Committee is authorized to withhold from distributions, or with respect to
allocations, to the Members and to pay over to any federal, state or local
government any amounts required to be so withheld pursuant to the Code or any
provision of any other federal, state, or local law. 













<PAGE>
   6.3  Limitation on Distributions.  No Member shall be entitled to a
distribution pursuant to this Article VI, if, after giving effect to the
distribution, the Company would not be able to pay its debts as they become
due in the usual course of business, or if the Company's total assets would be
less than the sum of its total liabilities.  A determination that a
distribution is not prohibited under this subsection or the Act may be based
either on financial statements prepared on the basis of accounting practices
and principles that are reasonable under the circumstances or on a fair
valuation or other method that is reasonable under the circumstances.  Unless
otherwise agreed by the Members, a Member shall only be entitled to the
distributions provided in this Agreement.


                                   ARTICLE VII

                  POWERS, DUTIES, LIABILITIES, REIMBURSEMENT
                     AND DECISIONS OF MANAGEMENT COMMITTEE

   7.1  Management of Business. 

        (a)  The Company shall be managed by a Management Committee.  Except
   as provided in subsection 7.1(b), the Management Committee shall be comprised
   of six Managers, three (3) Managers appointed by EDC and three (3) Managers
   appointed by MTI.   

        (b) In the event the number of Shares of Class A Membership Interest
   held by EDC is greater than (i) the number of Shares of Class A Membership
   Interest held by MTI and the MTI Affiliates, in the aggregate, plus (ii) the
   number of Shares of Class A Membership Interest for which MTI and the MTI
   Affiliates, in the aggregate, hold unexpired options to purchase pursuant to
   Section 4.2(c) or (e) ("Option Shares"), EDC shall be entitled to appoint two
   (2) additional Managers to the Management Committee.  Thereafter, the
   Management Committee shall be comprised of eight (8) Managers, five (5)
   Managers appointed by EDC and three (3) Managers appointed by MTI.  If the
   number of Shares and Option Shares of Class A Membership Interest held by
   MTI and the MTI Affiliates, in the aggregate, subsequently become equal to
   the number of Shares of Class A Membership Interest held by EDC, EDC shall
   cause two (2) of the Managers appointed by EDC to resign or be removed, and
   thereafter the Management Committee shall be comprised of six (6) Managers,
   three (3) appointed by EDC and three (3) appointed by MTI.

        (c) The Managers shall serve for a term of three (3) years, unless a
   Manager is sooner removed or resigns pursuant to either this Section 7.1 or
   Section 7.9. The duties, compensation and benefits, if any, of the Managers
   shall be determined by reference to the provisions of this Agreement, the
   Act, and, if applicable, resolutions adopted by the Management Committee.
   
    7.2  Authority of Management Committee.  











<PAGE>
        (a) Subject to the limitations imposed by the Act and this Agreement,
   the Management Committee shall have full and exclusive authority to conduct,
   manage and control all of the business affairs of the Company and to make
   all decisions regarding the business of the Company.  In furtherance of such
   authority, the Management Committee shall have all of the rights and powers
   provided in this Section 7.2, as amended from time to time, and, except as
   otherwise provided by law or this Agreement, any action taken by the
   Management Committee shall constitute the act of and serve to bind the
   Company.

        (b) The Management Committee is hereby granted the exclusive right,
   power and authority to:

          (1)  Manage, operate, maintain and develop the business of the
        Company; 

          (2)  Approve any loan agreements or instruments evidencing debt
        incurred by the Company; the selection of a bank in which Company funds
        shall be deposited; the selection of legal counsel; the approval of
        Company tax returns; and any other matters which the Management
        Committee shall deem to be of fundamental importance to the Company;
        
          (3)  Execute any and all agreements, contracts, documents,
        certifications, instruments, notes, mortgages, assignments and security
        agreements necessary or convenient in connection with the operation of
        the business of the Company;
        
          (4)  Borrow money and issue evidences of indebtedness in furtherance
        of any or all of the purposes of the Company, and to secure the same by
        mortgage, pledge or other lien on any Company Property;
        
          (5)  Protect and preserve the title and interest of the Company with
        respect to the assets at any time owned or acquired by the Company;
        
          (6)  Collect all amounts due to the Company, and otherwise to
        enforce all rights of the Company, including all of such rights inuring
        to the benefit of the Company under any agreement for the management of
        its assets, and, in that connection, to retain counsel and institute
        such suits or proceedings, in the name and on behalf of the Company, or,
        if the Management Committee shall so determine, in the name of the
        Members; provided, however, that the Members reserve the right to retain
        separate counsel to defend against any lawsuits which name the Members
        as separate parties to such proceedings;


          (7)  Enter into contracts with and pay fees or cause others to pay
        fees to any person or entity;












<PAGE>
          (8)  Enter into agreements for the performance of legal, accounting,
        bookkeeping, tax, administrative reporting, receiving and paying of
        funds and other management services necessary or appropriate for the
        administration of the Company with any Person;
        
          (9)  Defend and hold harmless any Members against any claim in
        connection with the Company business other than a claim by another
        Member for breach of an obligation under this Agreement;

         (10)  Designate and appoint one or more employees of or agents for
        the Company who shall have such authority as may be conferred upon
        them by the Management Committee, and who may perform any of the duties
        and exercise any of the powers and authority conferred upon the
        Management Committee hereunder, including, without being limited to,
        the designation of an agent for service of process on the Company and
        one or more agents as authorized signatories on any bank accounts
        maintained by the Company;

         (11)  Invest and reinvest Company funds to the extent not currently
        required, in its sole discretion, for Company operating capital;
        
         (12)  To the extent that funds of the Company are available and the
        Management Committee deems it appropriate, make distribution to the
        Members in accordance with the provisions of this Agreement;
        
         (13)  Perform all normal business functions, and otherwise operate
        and manage the business and affairs of the Company, in accordance with
        this Agreement;
        
         (14)  Engage in any kind of activity and perform and carry out
        contracts of any kind necessary to, or in connection with or convenient
        or incidental to, the accomplishment of the purposes of the Company, so
        long as said activities and contracts may be lawfully carried on or
        performed by a limited liability company under the laws of the State of
        Delaware;

         (15)  Offer Shares that are Shares Authorized but unissued for sale
        for not less than fair market value to Persons that are identified by
        the Management Committee as prospective Members or as Key Employees, to
        enter into capital contribution agreements with such Persons in the
        name of and on behalf of the Company, to admit such Persons as Members
        upon receipt of the agreed upon capital contribution and to amend
        Exhibit A or B as applicable, to reflect the admission of such Persons
        as Members and the issuance of Shares to such Persons; and
        
         (16) Request additional capital contributions consistent with Section
        4.2.












<PAGE>
   7.3  Limitations on Management Committee and Managers.  Notwithstanding the
foregoing and any other provision contained in this Limited Liability Company
Agreement to the contrary, no act shall be taken, sum expended, decision made,
obligation incurred or power exercised by the Management Committee or any
Manager on behalf of the Company, unless approved by the Class A Members holding
at least seventy percent (70%) of the Shares of Class A Membership Interest
entitled to vote with respect to those decisions set forth below:

        (a) Any sale, lease, assignment, transfer, or other conveyance of all or
   substantially all of the assets of the Company or any merger,consolidation,
   dissolution, divestiture or winding-up of the Company;
     
        (b) Any amendment or restatement of the Certificate or this Limited
   Liability Company Agreement; 

        (c) Any material change in the character of the business and affairs of
   the Company; 
 
        (d) Any change in the number of Shares Authorized for a Class A
   Membership Interest;

        (e) The commission of any act which would make it impossible for the
   Company to carry on its ordinary business and affairs; 

        (f) The commission of any act that would contravene any provision of the
   Certificate or this Limited Liability Company Agreement or the Act; or
     
        (g) The approval of any Contract Proposal.

   7.4  Compensation; Expenses.

        (a) Except as otherwise provided in this Section 7.4, no Manager shall
   receive any salary, fee, or draw for services rendered to or on behalf of the
   Company, nor shall any Manager be reimbursed for any expenses incurred by
   such Manager on behalf of the Company.
   
        (b) Each Manager may charge the Company, and  shall be reimbursed,
   for any reasonable direct expenses incurred in connection with the Company's
   business and in compliance with any procedures and requirements of the
   Company relating to such reimbursement.

   7.5  Manager Duties.  

        (a) Except as provided in subsection 7.5(b)  and Section 7.6, each
   Manager shall devote such time to the Company business as may be necessary














<PAGE>
   to adequately and properly manage and supervise the Company business and
   affairs in an efficient and workmanlike manner and discharge his or her
   duties as a Manager in good faith, with the care an ordinarily prudent
   person would exercise in similar circumstances, and in a manner he or she
   believes to be in the best interest of the Company.  Notwithstanding the
   foregoing, the failure of any Manager appointed by EDC to approve a Contract
   Proposal pursuant to Section 7.3(g) shall not constitute a breach of any duty
   imposed upon such Manager under this Agreement or the Act, and MTI and its
   affiliates are forever barred from bringing, and hereby waive any right to
   bring, any action or suit against such Manager for failure to approve a
   Contract Proposal.

        (b) Nothing in this Agreement shall be deemed to restrict in any way the
   rights of a Manager, or of any Affiliate of a Manager, to conduct any other
   business or activity whatsoever, and no Manager shall be accountable to the
   Company or to any Member with respect to that business or activity even if
   the business or activity competes with the Company's business.  The
   organization of the Company shall be without prejudice to their respective
   rights (or the rights of their respective Affiliates) to maintain, expand,
   or diversify such other interests and activities and to receive and enjoy
   profits or compensation therefrom.

        (c) (1)  Each Manager shall deal in confidence with all matters
   involving the Company until such time as there has been a general public
   disclosure. Subject to subsection 7.5(c)(2), no Manager shall disclose or
   use any Confidential Information, Inventions or Confidential Documents of
   the Company (as such terms are defined below) except for the direct or
   indirect benefit of the Company.

            (2)  In the event a Manager receives a discovery request (including,
   without limitation, document requests, subpoenas, notices of deposition,
   orders to produce documents, information or individuals) in a judicial action
   or an arbitration (referred to hereinafter as "Discovery Requests"), each
   Manager agrees that:
     
                 (A)  The Manager will notify the Company of the Manager's
            receipt of the Discovery Request within a reasonable time following
            such receipt to allow the Company to seek an order preventing or
            limiting the disclosure by the Manager of the Confidential
            Information from a tribunal having jurisdiction over the Discovery
            Request.

                 (B)  The Manager will not take any action, including responding
            to the Discovery Requests before the response time, that would
            interfere with any efforts by the Company to pursue such legal
            remedies preventing or limiting disclosure of the Confidential
            Information.

                      (i)  In the event of a Discovery Request other than a
                 deposition request, this means that the Manager will not









<PAGE>
                 respond until the date set forth in the Discovery Request,
                 thus giving the Company full opportunity to obtain an order
                 modifying the Manager's obligation to respond or to obtain
                 an agreement from the party making the Discovery Request that
                 the Manager is not obligated to respond at that time.

                     (ii) In the event of a deposition in which a question
                 is posed requiring the disclosure of Confidential Information,
                 this means that the Manager will not disclose the Confidential
                 Information as long as the Company immediately requests an
                 adjournment of the deposition in order to obtain direction
                 from a tribunal having jurisdiction over the Discovery Request
                 as to whether and under what circumstances the Manager can
                 disclose the Confidential Information.  If the parties to the
                 action in which the deposition is taken do not permit the
                 Company to attend the deposition of the Manager, and a
                 question requiring the disclosure of Confidential Information
                 is asked, the Manager agrees that prior to disclosing the
                 Confidential Information it will request an adjournment of the
                 deposition in order to inform the Company of the question and
                 to give the Company an opportunity to seek direction from
                 such a tribunal.

                 (C)  To the extent the Company fails to request or is unable
            to obtain an order from a tribunal having jurisdiction over the
            Discovery Request, nothing shall prevent the Manager from
            responding to a Discovery Request in the manner it considers
            appropriate.

            (3)  Each Manager acknowledges the disclosure of Confidential
   Information by the Managers or a breach of the provisions contained in this
   subsection 7.5(c) will give rise to irreparable injury to the Company or to
   the Company's clients and customers, which injury could not be adequately
   compensated for in damages.  Accordingly, the Company or such other party
   may seek and obtain injunctive relief against the breach or threatened breach
   of the Manager's agreements and undertakings contained in this subsection
   7.5(c), in addition to any other legal remedies which may be available to the
   Company or such other party.
                                 
             (4)  For purposes of this subsection 7.5(c),the terms defined below
   shall have the following meanings:

                 (A)  "Confidential Documents" shall mean any papers,
             blueprints, records, notebooks, computer disks, computer tapes, or
             other similar repositories containing Confidential Information,














<PAGE>
             including copies thereof which have been prepared for the benefit
             of the Company or its employees or independent contractors, whether
             prepared by, its employees, independent contractors, or outside
             parties.

                 (B)  "Confidential Information" shall mean information or
             knowledge not readily ascertainable by the general public or the
             industry in which the Company is or may become engaged regarding
             the Company's products, systems, processes,  Inventions, designs,
             research, development, manufacture, purchasing, accounting,
             engineering, marketing, client or customer lists and information,
             merchandising and selling, and Confidential Documents.

                 (C)  "Inventions" shall mean discoveries, concepts, and ideas,
             whether patentable or not, including but not limited to the design,
             specification and technology of systems, processes, methods,
             formulas, and techniques, as well as improvements or modifications
             of processes, systems, methods, formulas and techniques which are
             not readily ascertainable by the general public or the industry in
             which the Company is or may become engaged.

        (d) When a Manager, directly or indirectly, has a financial or personal
   interest in a contract or transaction to which the Company is to be a party,
   the Manager is considered to be "interested" in the matter.  An interested
   Manager shall disclose that interest and describe to the Management Committee
   all material facts concerning the matter with complete accuracy and
   inclusiveness.  Provided such full and accurate disclosure is made, the
   interested Manager shall be allowed to discuss and vote on the matter and any
   such contract or transaction authorized by the Management Committee shall not
   be later subject to revocation on the basis that the terms of such contract
   or transactions were not fair and commercially reasonable.

   7.6  Additional Duties and Obligations of Management Committee

        (a) The Management Committee shall take all actions which may be
   necessary or appropriate for the continuation of the Company's valid
   existence as a limited liability company under the laws of the State of
   Delaware.

        (b) The Management Committee shall use its best efforts to meet all
   current and future federal income tax requirements to assure that the
   Company will not fail to be classified for federal income tax purposes as a
   partnership rather than as an association taxable as a corporation.

        (c) The Management Committee shall direct the affairs of the Company
   in the best interest of the Company, including the safekeeping and use of
   all Company funds and assets and the use thereof for the benefit of the
   Company.











<PAGE>
        (d) The Management Committee shall, from time to time, prepare and file
   any amendment to the Company's Certificate and any other similar documents
   which are required by law to be filed and recorded for any reason in such
   office or offices as are required under the laws of the State of Delaware.
    
   7.7  Management Committee Meetings and Decisions.  

        (a) A meeting of the Management Committee shall be held every month,
   on the 15th day of each month or on such other day of the month as
   determined by the Management Committee.

        (b) All decisions made by the Management Committee shall require a vote
   of not less than fifty-one percent (51%) of all of the Managers. All actions
   shall be taken only at a meeting called at least five (5) days in advance of
   the meeting attended by not less than fifty-one percent (51%) of all of the
   Managers.

        (c) Actions of the Management Committee may also be taken by written
   consent of all of the Managers.

        (d) A Manager may participate in a meeting with the same effect as being
   present in person by a conference telephone or by other similar
   communications equipment through which all persons participating in the
   meeting may communicate with the other participants.

   7.8  Removal or Resignation of Manager.

        (a) The Class A Members, by a vote of at least seventy percent (70%),
   may remove a Manager for cause.  For purposes of this Agreement, "cause"
   shall mean the Manager's gross negligence, willful misconduct, or bad faith
   in the performance of the material duties and obligations of the Manager
   under this Agreement, or the knowing violation of statutory obligations or
   fraud by the Manager.  

        (b) A Manager may be removed only at a meeting called by the Class A
   Members in accordance with the procedures required under Article VIII.
   Notice of the meeting shall be given to all Class A Members and the Manager.
   Further, the notice shall include notice of the specific allegations against
   the Manager which form the basis for the proposed removal.  At the meeting
   called for the removal of the Manager, the Manager shall be given a full
   opportunity to be heard and to address the specific allegations against the
   Manager.

        (c) A Manager may be removed at any time, with or without cause, by
   the Class A Member that appointed the Manager under Section 7.1.  The Class
   A Member taking such action shall provide prompt written notice of such
   action to all other Class A Members.  












<PAGE>
        (d) Except as provided under Section 7.9(a) or 7.9(c), a Manager may not
   be removed. 

        (e) A Manager may resign by providing written notice to all Class A
   Members not less than forty-five (45) days prior to the effective date of
   such resignation.  The resignation shall take effect forty-five (45) days
   after the date the Manager gives notice to all Class A Members, or at such
   later date stated in the notice of resignation. 

   7.9  Replacement Manager.  A replacement Manager for any Manager that has
been removed or has resigned shall be appointed by the Class A Member that had
appointed the removed or resigning Manager within ten (10) business days of the
date of removal or the effective date of resignation.  The Class A Member
appointing the replacement Manager shall provide prompt written notice to all
other Class A Members of the name and address of the replacement Manager.
Once appointed, the replacement Manager will serve the unexpired term of and
will have all of the powers and duties of the Manager that resigned or was
removed.

   7.10 Officers of the Company.

        (a) Power to Elect Officers.  The Management Committee shall select a
   president, treasurer, and a secretary, and may select a chairman, one or more
   vice presidents, one or more assistant treasurers, and one or more assistant
   secretaries, and any other officers that the Management Committee deems in
   the best interest of the Company which may be appointed and their duties
   prescribed by resolution of the Management Committee. 

        (b) Removal of Officers and Agents.  Any officer or agent may be
   removed by the Management Committee whenever, in the judgment of the
   Management Committee, the business interests of the Company will be served
   thereby. 

        (c) Delegation of Powers.  For any reason deemed sufficient by the
   Management Committee, whether occasioned by absence or otherwise, the
   Management Committee may delegate all or any of the powers and duties of any
   officer to any other officer or Manager.  

        (d) Powers and Duties of Officers.  

            (1)  Chairman.  The Chairman shall be selected by and from the
        membership of the Management Committee.  He or she shall conduct all
        meetings of the Management Committee and shall perform all duties
        incident thereto. 















<PAGE>
            (2)  President. The President shall have general and active
        management of the business of the Company and shall see that all orders
        and resolutions of the Management Committee are carried into effect.  He
        or she shall be ex-officio, a member of all standing committees, and
        shall have the general powers and duties of supervision and management
        usually vested in the office of president of a corporation.  During the
        prolonged absence or disability of the President, or the vacancy of his
        or her office, the below listed individuals shall perform the duties and
        exercise the power of President, until a successor is appointed, as
        follows:  Vice President, and if he or she be not available, then
        whosoever shall be appointed by the Management Committee. 

            (3)  Vice President.  The duties which the Vice Presidents are to
        perform shall be designated by the Management Committee. 

            (4)  Secretary.  The Secretary shall attend all meetings of the
        Members and shall preserve in the books of the Company true minutes of
        the proceedings of all such meetings.  He or shall safely keep in his or
        her custody the seal of the Corporation, and shall have authority to
        affix the same to all instruments where its use is required.  He or she
        shall give all notices required by statute, by-law or resolution.  He or
        she shall perform such other duties as may be delegated to him or her
        by the Management Committee. 

            (5)  Treasurer.  The Treasurer shall have custody of all Company
        funds and securities, and shall keep in books belonging to the Company
        full and accurate accounts of all receipts and disbursements; he or she
        shall deposit all monies, securities and other valuable effects in the
        name of the Company in such depositories as may be designated for that
        purpose by the Management Committee.  He or she shall disburse the funds
        of the Company as may be ordered by the Management Committee, taking
        proper vouchers for such disbursements and shall render to the President
        and directors at regular meetings of the Management Committee, and
        whenever requested by them, an account of all his or her transactions as
        Treasurer, and of the financial condition of the Management Committee.
        If required by the Management Committee, he or she shall deliver to the
        President of the Company, an shall keep in force, a bond in form,
        amount, and with a surety or sureties satisfactory to the Management
        Committee, conditioned for faithful performance of the duties of his or
        her office, and for restoration to the Company in case of his or her
        death, resignation, retirement or removal from office, of all books,
        papers, vouchers, money and property of whatever kind in his or her
        possession or under his or her control belonging to the Company.
















<PAGE>
            (6)  Assistant Secretary and Assistant Treasurer.  The Assistant
        Secretary, in the absence or disability of the Secretary, shall perform
        the duties and exercise the powers of the Secretary.  The Assistant
        Treasurer, in the absence or disability of the Treasurer, shall perform
        the duties and exercise the powers of the Treasurer. 

        (e) Each officer of the Company shall discharge his or her duties as an
   officer in good faith, with the care an ordinarily prudent person in a like
   position would exercise in similar circumstances and in a manner he or she
   reasonably believes to be in the best interests of the Company.  In
   discharging his or her duties, an officer is entitled to rely in good faith
   upon the records of the Company and such information, opinions, reports or
   statements provided to any such officer by any other person as to matters
   the officer reasonably believes are within such other person's professional
   or expert competence and who has been selected with reasonable care by or
   on behalf of the Company.

   7.11 No Authority of Members.  No Member is an agent of the Company or has
the authority to make any contracts, enter into any transactions, or make any
commitments on behalf of the Company, except that, prior to the first meeting
of the Management Committee, either Member may execute any agreement, document
or instrument required to be executed by the Company under this Agreement, the
EDC Contribution Agreement or the MTI Contribution Agreement.  

     7.12 Actions Against Members for Breach of Contract.  In the event that
any Manager or Officer of the Company brings to the attention of the Management
Committee any allegation of a breach of a contract between a Member and the
Company, the Management Committee shall evaluate the validity of the allegations
and vote on whether or not to take action against the subject Member.  No
Manager appointed by the subject Member shall be entitled to vote on any
resolution to pursue any claim or take any action against the subject Member.
The vote taken at the meeting shall be preliminary and subject to the obligation
of the Management Committee to provide the Company's independent public
accountants with a written report of their evaluation and assessment of the
allegation of a breach by the subject Member of a contract with the Company.
Such report shall be delivered by the Management Committee to such accountants
within five (5) business days of such meeting.  The Company's independent public
accountants shall provide the Management Committee with a written report
expressing their views and opinions with respect to the Management Committee's
evaluation and assessment.  Such report shall be provided to the Management
Committee within ten (10) business days following such accountants' receipt of
the Management Committee's written report and for the purpose of reviewing the
Company's independent public accountant's written report.  The Management
Committee shall then convene a meeting for the specific purpose of determining
what action to take with regard to the alleged breach of contract between the
subject Member and the Company.  At such meeting, no Manager appointed by the
subject Member shall be entitled to vote on any resolution regarding whether or
not to pursue a claim or other action against the subject Member.











<PAGE>
                                    ARTICLE VIII

                      ACTION OF MEMBERS AND MEMBER MEETINGS

   8.1  Action of Members.  Except to the extent that the Act, the Certificate,
or this Agreement require otherwise, all actions of the Class A Members shall
be taken either (a) by a majority vote of the votes entitled to be cast by all
of the Class A Members at a properly called meeting of the Class A Members,
when a quorum is present; or (b) by written action without a meeting, complying
with Section 8.8.

   8.2  Tri-Annual and Special Meetings.

        (a) A tri-annual meeting of the Class A Members shall be held every
   third year, on the third Tuesday of January of such year, for the appointment
   of Managers to the Management Committee.

        (b) A special meeting of the Class A Members may be called for any
   purpose or purposes at any time by the Management Committee or by one or more
   Class A Members having at least fifty-one percent (51%) of all of the votes
   entitled to be cast by Class A Members.  

        (c) For any special meeting not called by the Management Committee, the
   Class A Member or Class A Members who are calling the special meeting must
   give written notice to the Management Committee specifying the purpose of the
   meeting. Within thirty (30) days after the Management Committee receives a
   demand under this paragraph, the Management Committee shall call a special
   meeting of the Class A Members.  If the Management Committee fails to call
   the special meeting, the Class A Member or Class A Members calling the
   meeting may, at the expense of the Company, call the meeting by giving the
   notice described in Section 8.3.
      
   8.3  Notice of Meetings.  Written notice of each meeting of the Class A
Members, stating the date, time, place, and the purposes or purposes, must be
given to every Class A Member at least ten (10) days and not more than sixty
(60) days prior to the meeting. The business transacted at any meeting of
Class A Members is limited to the purposes stated in the notice of the meeting.

   8.4  Location and Conduct of the Meetings; Adjournments.

        (a) The location of each of the meetings of the Class A Members will
   alternate each meeting between 2000 Second Avenue, 644 WCB, Detroit, Michigan
   and 968 Albany - Shaker Road, Latham, New York, with the first meeting being
   held at the Detroit, Michigan location, or at some other suitable location
   within the same city, as designated by the Management Committee or the Class
   A Member or Class A Members calling the meeting, as applicable.  













<PAGE>
        (b) A Manager designated by the Management Committee shall preside
   at each meeting of the Class A Members.

        (c) At each tri-annual and special meeting of the Members, the
   Management Committee shall designate a Manager to act as secretary at the
   meeting, who shall record the discussions had and actions taken at such
   meeting and prepare minutes summarizing such discussions and actions.  A
   copy of such minutes, certified by the secretary, shall be maintained at
   the Company's principal place of business with the records of the Company,
   and a copy shall be sent to each of the Members within thirty (30) days
   after the date of such meeting.

        (d) The Management Committee shall have the power and authority to
   establish the rules of order to be followed at the tri-annual and special
   meetings of the Members.

        (e) Any meeting of the Class A Members may be adjourned from time to
   time to another date and time and, subject to Section 8.4(a), to another
   place.  If at the time of adjournment, the person presiding over the meeting
   announces the date, time, and place at which the meeting will be reconvened,
   no further notice of the reconvened meeting shall be required.

   8.5  Waiver of Notice.

        (a) A Class A Member may waive notice of the date, time, place, and
   purpose or purposes of a meeting of Class A Members.  A waiver may be made
   before, at, or after the meeting, in writing, orally, or by attendance.
   
        (b) Attendance by a Class A Member at a meeting is a waiver of notice
   of that meeting, unless the Class A Member objects at the beginning of the
   meeting to the meeting or the transaction of business at the meeting because
   the meeting is not properly called or convened, or objects before a vote on
   an item of business because the item may not properly be considered at that
   meeting and does not participate in the consideration of the item at that
   meeting.

   8.6  Proxies.

        (a) A Class A Member may cast or authorize the casting of a vote by
   filing a written appointment of a revocable proxy given to any other Class
   A Member with the Management Committee at or before the meeting at which the
   appointment is to be effective. The Class A Member may sign or authorize the
   written appointment by telegram, telecopy, cablegram, or other means of
   electronic transmission stating, or submitted with information sufficient to
   determine, that the Class A Member authorized the transmission.  Any copy,
   facsimile, telecommunication, or other reproduction of the original of either













<PAGE>
   the writing or the transmission may be used in lieu of the original, if it is
   a complete and legible reproduction of the entire original.

        (b) A Class A Member may not grant or appoint an irrevocable proxy.
        
   8.7  Quorum.  For any meeting of the Class A Members, a quorum consists of
Class A Members holding a majority of all of the votes entitled to be cast at
a meeting of the Class A Members.  If a quorum is present when a properly
called meeting is convened, the Class A Members present may continue to
transact business until adjournment, even though the departure of Class A
Members originally present leaves less than the number of Class A Members
otherwise required for a quorum.

   8.8  Action Without a Meeting.  Any action required or permitted to be taken
at a meeting of the Class A Members may be taken without a meeting by written
consent signed by all of the Class A Members who are entitled to vote at a
meeting of the Class A Members.  The action taken by unanimous written consent
shall be effective when signed by all Class A Members entitled to vote, unless
a different effective date is provided in the written consent.  

   8.9  Attendance by Conference Telephone.  A Class A Member may participate
in a meeting with the same effect as being present in person by a conference
telephone or by other similar communications equipment through which all persons
participating in the meeting may communicate with the other participants. 


                                   ARTICLE IX     

                       MEMBERSHIP OBLIGATIONS AND CONDUCT

   9.1  Compliance with Policies.  It shall be the duty of each Member to act
at all times consistently with and in compliance with all and each of the
provisions of this Agreement and with all policies, rules, and decisions of the
Company adopted in accordance with any of the provisions of this Agreement.

   9.2  Authority to Bind. Only the Manager and agents of the Company authorized
by the Management Committee shall have the authority to bind the Company.  No
Member who is not authorized as an agent of the Company by the Management
Committee shall take any action to bind the Company, and each Member shall
indemnify the Company for any costs or damages incurred by the Company as a
result of any such unauthorized action by such Member.  Provided, however, that,
prior to the first meeting of the Management Committee, either Member may
execute any agreement, document or instrument required to be executed by the
Company under this Agreement, the EDC Contribution Agreement or the MTI
Contribution Agreement.

   9.3  Confidentiality.  












<PAGE>
        (a) (1)  Each Member shall deal in confidence with all matters involving
   the Company until such time as there has been a general public disclosure.
   Subject to subsection 9.3(a)(2), no Member shall disclose or use any
   Confidential Information, Inventions or Confidential Documents of the Company
   (as such terms are defined below) except for the direct or indirect benefit
   of the Company.

            (2)  In the event a Member receives a discovery request (including,
   without limitation, document requests, subpoenas, notices of deposition,
   orders to produce documents, information or individuals) in a judicial action
   or an arbitration (referred to hereinafter as "Discovery Requests"), each
   Member agrees that:
     
                 (A)  The Member will notify the Company of the Member's
            receipt of the Discovery Request within a reasonable time following
            such receipt to allow the Company to seek an order preventing or
            limiting the disclosure by the Member of the Confidential
            Information from a tribunal having jurisdiction over the Discovery
            Request.

                 (B)  The Member will not take any action, including
            responding to the Discovery Requests before the response time, that
            would interfere with any efforts by the Company to pursue such legal
            remedies preventing or limiting disclosure of the Confidential
            Information.

                      (i)  In the event of a Discovery Request other than a
                 deposition request, this means that the Member will not
                 respond until the date set forth in the Discovery Request, thus
                 giving the Company full opportunity to obtain an order
                 modifying the Member's obligation to respond or to obtain an
                 agreement from the party making the Discovery Request that
                 the Member is not obligated to respond at that time.

                      (ii) In the event of a deposition in which a question
                 is posed requiring the disclosure of Confidential Information,
                 this means that the Member will not disclose the Confidential
                 Information as long as the Company immediately requests an
                 adjournment of the deposition in order to obtain direction from
                 a tribunal having jurisdiction over the Discovery Request as to
                 whether and under what circumstances the Member can
                 disclose the Confidential Information.  If the parties to the
                 action in which the deposition is taken do not permit the
                 Company to attend the deposition of the Member, and a question
                 requiring the disclosure of Confidential Information is asked,
                 the Member agrees that prior to disclosing the Confidential
                 Information it will request an adjournment of the deposition
                 in order to inform the Company of the question and to give the











<PAGE>
                 Company an opportunity to seek direction from such a tribunal.


   9.4  Business Opportunities

        (a) Except as otherwise expressly provided in Section 9.4(b), nothing
   in this Agreement shall be deemed to restrict in any way the rights of any
   Member, or of any Affiliate of any Member, to conduct any other business or
   activity whatsoever, and no Member shall be accountable to the Company or to
   any other Member with respect to that business or activity even if the
   business or activity competes with the Company's business.  The organization
   of the Company shall be without prejudice to their respective rights (or to
   the rights of their respective Affiliates) to maintain, expand, or diversify
   such other interests and activities and to receive and enjoy profits or
   compensation therefrom.  Each Member waives any rights the Member might
   otherwise have to share or participate in such other interests or activities
   of any other Member or the Member's Affiliates.

        (b) Each Member understands and acknowledges that the conduct of the
   Company's business may involve business dealings and undertakings with
   Members and their Affiliates.  In any of those cases, those dealings and
   undertakings shall be at arm's length and on commercially reasonable terms
   as determined by the Management Committee.  

                                   ARTICLE X 

                         REQUIRED RECORDS; ACCOUNTING

   10.1 Contents and Location of Required Records.  The Company will maintain at
its principal place of business the following records:

        (a) A current list of the full name and last known address of each
   Member and Manager;  

        (b) A copy of the Certificate, together with any amendments to the
   Certificate;
  
        (c) A copy of this Agreement as executed by the Members, together with
   all amendments to this Agreement; 

        (d) Copies of the Company's federal, state, and local income tax returns
   and reports, if any, for the three (3) most recent calendar years; 

        (e) Copies of any financial statements of the Company for the three (3)
   most recent calendar years; 














<PAGE>
        (f) Records (including minutes and written consents) evidencing
   authorization of Company action; 

        (g) Copies of records that would enable a Member to determine the
   Member's relative Membership Interest, Voting Rights, and Shares, and, in
   the case of Class B Members, any vesting schedule to which their Class B
   Membership Interest is subject; and 

        (h) Such other records as the Company is required to maintain pursuant
   to the Act.  

   10.2 Access to Required Records.

        (a) After giving reasonable advance notice to the Company, any Member
   may inspect and review the Required Records and may, at the Member's sole
   cost and expense, have the Company make copies of any portion or all of the
   records.

        (b) Unless the Company agrees otherwise, all Member access to the
   Required Records must take place during the Company's regular business hours.
   The Company may impose additional reasonable conditions and restrictions on
   Members' access to the Required Records, including specifying the amount of
   advance notice a Member must give and the charges imposed for copying.
   
   10.3 Tax Characterization and Returns.  

        (a) The Members acknowledge the intention that the Company be treated
   as a "partnership" for federal and state tax purposes. All provisions of this
   Agreement and the Certificate are to be construed so as to preserve that
   tax status.
     
        (b) Within ninety (90) days after the end of each Taxable Year, the
   Management Committee will cause to be delivered to each person who was a
   Member at any time during such Taxable Year a Form K-1 and such other
   information, if any, with respect to the Company as may be necessary for
   the preparation of each Member's federal, state or local income tax (or
   information) returns. 

   10.4 Accounting Decisions.

        (a) The Management Committee will make all decisions as to accounting
   matters; and

        (b) The Management Committee may cause the Company to make
   whatever elections the Company may make under the Code or the tax laws of
   the State of Michigan or any other jurisdiction having taxing authority over
   the Company.  












<PAGE>
   10.5 "Tax Matters Member".  EDC is designated to act on behalf of the Company
as the initial "tax matters partner" within the meaning of Section 6231(a)(7)
of the Code. Any subsequent tax matters partner will be designated by EDC.

                                   ARTICLE XI

                        ADMISSION OF ADDITIONAL MEMBERS

   11.1 Admission of Additional Class A Members.  Subject to any preemptive
rights of the Class A Members pursuant to Section 4.3 (b), Additional Persons
may be admitted as Class A Members pursuant to a written offer made to a Person
by the Management Committee in connection with an offering of Shares in
accordance with Section 4.3.  The offer will establish all of the conditions
for admission of a Person as an additional Class A Member, including the amount
required as a Capital Contribution for such additional Class A Member.  

   11.2 Admission of Class B Members.  The Management Committee may, from
time to time, offer in writing Shares of Class B Membership Interests to Key
Employees under such terms and conditions as the Management Committee shall
determine in its sole discretion. The Management Committee may establish vesting
schedules for individual Key Employees that defer such Key Employee's rights
to full ownership of their respective Shares of Class B Membership Interests.
Exhibit B shall be amended from time to time to reflect the admission of Key
Employees as Class B Members, to reflect the granting of unvested and vested
rights to Key Employees to become or as Class B Members, the vested number of
Shares of Class B Membership of each Class B Member, and the unvested interest
granted to each Key Employee, whether or not admitted as a Class B Member.

   11.3 Admission of Substitute Class B Members.  Upon the Disassociation of a
Class B Member, the legal successor in interested of the Disassociated Class B
Member shall be admitted as a Substitute Class B Member (as defined below).
The Substitute Class B Member shall have all the rights and powers and shall be
subject to all the restrictions and liabilities of the Disassociated Class B
Member.  The admission of a Substitute Class B Member will not release the
Disassociated Class B Member from any liability of the Company that may have
existed prior to the admission of the Substitute Class B Member. For purposes
of this Article XI, "Substitute Class B Member" means the transferee of a Class
B Membership Interest who has been admitted to all rights of Class B Membership
pursuant to this Agreement.

   11.4 Conditions to Admission.  Notwithstanding the other provisions of this
Agreement, a proposed additional Member or Substitute Class B Member will not be
admitted as a Member until the proposed additional Member or Substitute Class
B Member agrees in writing to be bound by the terms and provisions of the
Certificate and this Agreement.  














<PAGE>
                                   ARTICLE XII

                    TRANSFERS; WITHDRAWAL; DISASSOCIATION

   12.1 Restrictions on Transfers.  

        (a)  Except as provided in subsection 12.1(b) and Section 12.6, no
   Member shall Transfer all or any portion of his/her/its Membership Interest
   or any rights therein without the written consent of all Class A Members
   during the first three (3) years after the date of this Agreement and without
   the written consent of the Class A Members holding a majority of the
   outstanding Shares of Class A Membership Interest which consents may be in
   each case withheld by any Class A Member for any or no reason.  Any Transfer
   or attempted Transfer by any Member in violation of the preceding sentences
   shall be null and void ab initio. Each Member acknowledges the reasonableness
   of the restrictions on Transfer imposed by this Agreement in view of the
   Company's purposes and the relationship of the Members. Accordingly, these
   restrictions on Transfer shall be specifically enforceable.  Each  Member
   further agrees to hold the Company wholly and completely harmless from any
   cost, liability, or damage (including, without limitation, liabilities for
   income taxes and costs of enforcing this indemnity) incurred by the Company
   as a result of a Transfer or an attempted Transfer in violation of this
   Agreement.

        (b) Subject to compliance with all of the provisions of subsection
   12.1(d) a Disassociated Class B Member's financial rights under his or her
   Class B Membership Interest will transfer to his or her legal successor in
   interest as provided under Section 12.5 and such legal successor in interest
   shall be admitted as a Substitute Class B Member upon compliance and in
   accordance with Sections 11.3 and 11.4.

        (c) Any transferee of all or part of a Class B Membership Interest
   derives its rights exclusively through the Class B Member/transferor.  Any
   such transferee takes the transferred Class B Membership Interest subject
   to any claims or offsets the Company has or may in the future have against
   the Class B Member/transferor.

        (d) Notwithstanding anything else contained in this Article XI or
   Article XII to the contrary, Class B Membership Interests may not be
   transferred, in whole or in part:

            (i) If the transfer, alone or taken together with other
        transactions, would result in a termination of the Company within the
        meaning of Code Section 708;

           (ii) If the transferee is a Disqualified Person;













<PAGE>
          (iii) Without an opinion of counsel satisfactory to the Company that
        the transfer is subject to an effective registration under, or exempt
        from the registration requirements of, applicable state and federal
        securities laws; and

           (iv) Unless and until the Company receives from the assignee the
        information and agreements that the Company may reasonably require,
        e.g., any taxpayer identification number, the transferee's initial tax
        basis in the transferred rights or interest, instruments of transfer,
        assignment, and assumption.

   12.2 Voluntary Withdrawal.  No Class A Member shall have the right to
voluntarily withdraw from the Company.  A Voluntary Withdrawal is a violation
of this Agreement, and upon a Voluntary Withdrawal a Class A Member shall cease
to be a Class A Member with no further right to participate in the Company's
business, Profits and Losses, or distributions, and will not be entitled to
receive any distribution pursuant to Section 18-604 of the Act.  If the Company
is continued as provided in Section 13.1(c), the Withdrawn Member shall have
the right to receive the distribution provided for under Section 12.4, but
shall not be entitled to receive in liquidation of the Withdrawn Member's
Membership Interest the fair market value of the Withdrawn Member's Membership
Interest, or any other amount on withdrawal pursuant to Section 18-604 of the
Act.

   12.3 Involuntary Withdrawal. Immediately upon the occurrence of an
Involuntary Withdrawal, the successor of the Withdrawn Member (if any) shall
become an assignee of the Withdrawn Member that holds all of its Membership
Interest subject to all of the restrictions and limitations that would be
applicable to that Membership Interest if it were still held by the Withdrawn
Member, but shall not become a Member and/or shall cease to be a Member with
no further right to participate in the Company's business, Profits and Losses,
or distributions, and will not be entitled to receive any distribution pursuant
to Section 18-604 of the Act.  If the Company is continued as provided in
Section 13.1(c), the Withdrawn Member or the assignee shall have the right to
receive the distribution provided for under Section 12.4, but shall not be
entitled to receive in liquidation of the Withdrawn Member's Membership
Interest the fair market value of the Withdrawn Member's Membership Interest
as of the date of the Involuntary Withdrawal or the date the assignee's
interest is terminated, or any other amount on withdrawal pursuant to Section
18-604 of the Act.  

   12.4 Distribution on Withdrawal or Attempted Transfer.  Upon any attempted
Transfer by a Member of all or part of a Membership Interest or Voluntary
Withdrawal of a Member, the Company may recover by offset or otherwise from
such Member damages for such Member's breach of this Agreement.

   Subject to the Act, Section 6.3, and the Company's right of offset under the
preceding paragraph, upon a Member's attempted Transfer of all or part of his/
her/its Membership Interest, a Member's Voluntary Withdrawal, or a Member's
Involuntary Withdrawal, the Company shall, in complete liquidation of such
Member's Membership Interest, make as a liquidating distribution for such








<PAGE>
Membership Interest a Company note in an amount equal to fifty percent (50%) of
the "Net Book Value" (as defined in Section 12.7) of such  Member's Membership
Interest calling for payment of the principal amount of the note in ten (10)
equal annual installments, without interest, with the first annual installment
being due on the later of one (1) year after the date of such note or five
years after the date of this Agreement. 

   12.5 Disassociation. Upon the Disassociation of a Class B Member, the Company
will continue without dissolution, and  the Disassociated Class B Member shall
be deemed to have transferred all of the financial rights associated with his/
her/its financial rights to such Class B Member's legal successor in interest
as set forth in Section 10.2(b).

   12.6 Redemption of Class B Membership Interest.  A Class B Member may at any
time offer his/her vested Shares of Class B Membership Interest for sale to the
Company and the Company shall be obligated to purchase such Shares upon the
following terms:

        (a) The price ("Purchase Price") to be paid for such interest shall be
   an amount equal to the "Net Book Value" (as defined in Section 12.7) of such
   Class B Member's Membership Interest;

        (b) The closing shall occur at the Company's registered office on the
   thirtieth (30th) day following the date of the offer to sell; and


        (c) At the closing, the selling Class B Member shall assign its Shares
   of Class B Membership Interest to the Company and the Company shall deliver
   to the selling Class B Member a Company note in an amount equal to the
   Purchase Price calling for payment of the principal amount of the note in
   five (5) equal annual installments, together with quarterly payments of
   interest accruing on the unpaid principal amount of the note at the
   Applicable Federal Rate and permitting the Company to prepay such note at
   any time without penalty or premium.

   12.7 "Net Book Value". For purposes of this Section 12.7 the "Net Book Value"
of a Member's Membership Interest shall be determined as of the last day of the
calendar month immediately preceding the occurrence of the Member's attempted
Transfer, Voluntary or Involuntary Withdrawal, or Disassociation and shall
equal the amount that would be distributed to such Member in liquidation of
the Company pursuant to Article XIII, if (a) the Gross Asset Values of the
Company Property were adjusted as set forth in Section 1.29(b) hereof, (b) all
of the Company's assets were sold for their Gross Asset Values, as so adjusted,
(c) the Company paid its accrued, but unpaid, liabilities and established
reserves pursuant to Article XIII for the payment of reasonably anticipated
contingent or unknown liabilities, and (d) the Company distributed the
remaining proceeds to the Members in liquidation, as of such day.

   The Net Book Value of a Member's Membership Interest shall be determined,
without audit or certification, from the books and records of the Company by the









<PAGE>
accounting firm regularly employed by the Company, and the amount of such Net
Book Value shall be disclosed to the Company and each of the Members by written
notice.  The Net Book Value determination of such accountants shall be final
and binding in the absence of a showing of gross negligence or willful
misconduct.


                                   ARTICLE XIII

               DISSOLUTION, WINDING UP, LIQUIDATING DISTRIBUTIONS 
                                  AND TERMINATION

   13.1 Events Causing Dissolution.  The Company shall dissolve and its business
be wound up upon the occurrence of the first of any of the following events:

        (a) By the unanimous written consent of all the Class A Members; or
        
        (b) Disposition of all of or substantially all of the assets of the
   Company; or 

        (c) Upon the occurrence of a Voluntary or Involuntary Withdrawal of a
   Class A Member unless within ninety (90) days after the date of such
   occurrence, the remaining Class A Members by a majority vote of the Class A
   Shares held by the remaining Class A Members consent in writing to continue
   the business of the Company.

   13.2 Certificate of Dissolution.  As soon as practicable following the
occurrence of any of the events specified in Section 13.1 that cause the
dissolution of the Company, the Company shall execute and file a Certificate
of Dissolution, as prescribed by the Act.

   13.3 Dissolution Procedure.  The Company shall be terminated after the
dissolution described in Section 13.1, in which event the Management Committee
shall promptly wind up the affairs of the Company, liquidate and discharge all
debts and liabilities of the Company and distribute all assets in accordance
with this Agreement and the Act.

   13.4 Tax Obligations.  Before the assets of the Company are distributed
pursuant to Section 13.5 below, the Company shall file tax returns and pay
tax obligations as required by applicable state tax laws.  

   13.5 Distributions at Liquidation.  Subject to Section 13.10 and subject to
the right of the Management Committee to establish cash reserves as may be
deemed reasonably necessary for any contingent or unforeseen liabilities or
obligations of the Company, the proceeds of the liquidation and any other funds
of the Company shall be distributed as follows:













<PAGE>
        (a) First, to the payment and discharge of all Company Liabilities to
   creditors other than the Managers or Members;   

        (b) Second, to the payment and discharge of all Company Liabilities to
   the Managers and Members; 

        (c) Third, to the Members in accordance with their Capital Accounts,
   after giving effect to all contributions, distributions, and allocations for
   all periods; and

        (d) The balance, if any, to the Members in proportion to the number of
   Shares held by each Member to the number of Shares Issued.  

        If any Member has a deficit balance in his/her/its Capital Account
   (after giving effect to all contributions, distributions, and allocations
   for all Taxable Years, including the Taxable Year during which such
   liquidation occurs), such Member shall have no obligation to make any
   contribution to the capital of the Company with respect to such deficit,
   and such deficit shall not be considered a debt owed to the Company or
   to any other Person for any purpose whatsoever.

   13.6 Final Report.  Within a reasonable time following the completion of the
liquidation of the Company, the Management Committee shall supply to each Member
a statement that states the assets and liabilities of the Company as of the date
of complete liquidation and each Member's portion of payments and distributions
pursuant to Section 13.5. 

   13.7 Rights of Members. Each Member shall look solely to the Company Property
for all distributions with respect to the Company, to its Capital Contribution,
and to its share of Profits and Losses, and no Member shall have recourse (upon
dissolution or otherwise) against any other Member.  No Member shall be entitled
to receive Company Property other than cash upon the dissolution and termination
of the Company.

     13.8 Termination.  Upon the completion of the liquidation of the Company
and the distribution of all Company Property, the Company shall terminate. The
Management Committee shall have the authority to execute and record a
Certificate of Dissolution as well as any and all other documents required to
effect the dissolution and termination of the Company. 

   13.9 Deemed Distribution and Recontribution.  Notwithstanding any other
provisions of this Article XIII, in the event the Company is liquidated within
the meaning of Regulations Section 1.704-1(b)(2)(ii)(g), but the Class A Members
holding a majority of the Class A Shares entitled to vote have elected to
continue the business of the Company under Section 13.1, the Company Property
shall not be liquidated, the Company's Liabilities shall not be paid or
discharged, and the Company's affairs shall not be wound up. 












<PAGE>
  13.10 Hire Company Employees.  At any time following the dissolution of the
Company, any Member, any Affiliate of any Member, any Manager or any Affiliate
of any Manager shall have the right to solicit for hire, and hire, any Person
who as an employee of the Company at any time.


                                   ARTICLE XIV

              INDEMNIFICATION; INSURANCE AND LIABILITY OF MEMBERS

   14.1 Indemnity.  The Company shall defend, indemnify and hold harmless each
Manager from and against any cost, expense, damage or injury suffered or
sustained by it by reason of any acts, omissions or alleged acts or omissions
arising out of any of its activities on behalf of the Company or in furtherance
of the interests of the Company, including without being limited to any
judgment, award, settlement, reasonable attorneys' fees and other costs or
expenses incurred in connection with the defense of any actual or threatened
action, proceeding or claim, if the acts, omissions or alleged acts or
omission upon which such actual or threatened actions, proceedings or claims
are based did not involve gross negligence, willful misconduct, bad faith, the
knowing violation of statutory obligations or fraud by such Manager.  Any such
indemnifications shall only be made from Company Property.  

   14.2 Disclosure.  The amount of any indemnification or advance paid pursuant
to this Article XIV and to whom and on whose behalf it was paid will be
included in the Required Records.

   14.3 Discretionary Indemnification.  Nothing in this Article XIV limits the
ability of the Management Committee to cause the Company to indemnify any Person
that is not a Manager pursuant to, and to the extent described in, an
agreement authorized by the Management Committee.

   14.4 Insurance.  The Company may purchase and maintain insurance on behalf
of a Person in that Person's official capacity against any liability asserted
against and incurred by the Person in or arising from that capacity, whether
or not the Company would have been required to indemnify the Person against
the liability under the provisions of this Article XIV.

   14.5 Other Insurance.  The Management Committee shall use its best efforts
to obtain and maintain in force such insurance as it deems necessary to protect
the Company Property and to protect the Company against liability for claims
of third persons.  The Company shall be a named insured on the policies
obtained.  Each Member shall be provided with a certificate disclosing the
issuance of the policy and its basic terms.  No such policy shall be canceled
by the Management Committee except after it shall have given at least thirty
(30) days prior written notice to the Members to that effect.  Except as













<PAGE>
assumed by the Company, each Member shall be responsible for insuring itself
against damages, losses and liabilities relative to its Membership Interest
in the Company.

   14.6 Limited Liability of Members.  Pursuant to the Act, the Members shall
have no personal liability whatsoever, whether to the Company, to any of the
Members, or to the creditors of the Company, for the debts of the Company or
any of its losses beyond the amounts contributed or committed to be contributed
by that Member to the capital of the Company pursuant to this Agreement; nor
shall the Members have any other obligations or liabilities under this
Agreement other than those specifically set forth in this Agreement.


                                   ARTICLE XV

                              REMEDIES FOR BREACH

   15.1 Specific Enforcement.  All breaches of this Agreement are subject to
specific enforcement, without prejudice to the right to seek damages or other
remedies.

   15.2 Attorney Fees and Other Litigation Expenses. If the Company resorts to
litigation to remedy a breach of this Agreement by a Member or former Member
and the Company prevails in the litigation, in addition to any other remedies
available to the Company under this Agreement or by law the Company may
collect its actual attorney fees and other costs and expenses of litigation.

                                   ARTICLE XVI

                                    AMENDMENTS

   16.1 Amendment of Agreement.  This Agreement may only be amended at a
special meeting of Members called for the purpose of amending this Agreement
or by the written consent of Members to a proposed written amendment to this
Agreement.

   16.2 Required Vote.  Any proposed amendment to this Agreement shall only
become effective upon the vote or written consent of more than fifty (50%) of
all the votes entitled to be cast by the Class A Members; provided, however,
that without the unanimous consent of all Class A Members, this Agreement
shall not be amended to:

       (a) Cause the Company to effect any registration of the Shares, except
   as provided in Section 4.8;

       (b) Except as otherwise provided in Section 4.8, cause the Company to
   lose its status as a limited liability company, taxable as a partnership for
   federal income tax purposes; 











<PAGE>
       (c) Amend this Section 16.2 or Sections 4.2, 4.3(b), 4.8, 5.1(a), 5.1(b),
   7.1, 7.2, 7.2(b)(15), 7.3, 7.5, 7.6, 7.8, 7.9, 12.1 or 13.1 of this
   Agreement; or

       (d) Affect any rights of the Class B Members in their Class B Membership
   Interests, including, but not limited to, amending any part of the definition
   in Section 1.13.


                                   ARTICLE XVII

                                  MISCELLANEOUS

   17.1 Governing Law.  All questions pertaining to this Agreement shall be
governed by and construed in accordance with the laws of the State of Delaware.
It is further agreed that any and all litigation relating to this Agreement or
the Company shall be brought in a state or federal court located within the
State of Michigan; and each party, for the purpose of all such litigation,
hereby submits to the exclusive jurisdiction and venue of such courts.

   17.2 Notices.  

       (a) Any notice, request, consent, offer or demand required or permitted
   to be given under this Agreement shall be in writing and shall either be
   delivered in person or mailed by first class mail, postage prepaid, or sent
   by telex, telecopy or telegram, addressed to the Party intended as the
   recipient as follows:

          If to the Company:          With a copy to:

          Plug Power, LLC             DTE Energy, Inc.
          968 Albany - Shaker Road    2000 Second Avenue, 644 WCB
          Latham, New York  12110     Detroit, Michigan  48226
          Attn:  Gary Mittleman       Attn:  Chris C. Nern
          Fax No.:(518) 785-2127      Fax No.:(313) 235-8500


        If to any Member:  at the address shown on Exhibit A and B, unless a
   Member shall have requested the Company in writing at least thirty (30) days
   before the date of a notice to use a different address.

        (b) Any notice, request, consent, offer or demand shall be deemed
   received, given or served, if mailed by first class mail, on the 3rd day
   after the day of mailing, and, if sent by telex, telecopy or telegram, 24
   hours after the time of dispatch.














<PAGE>
   17.3 Agreement for Further Execution.  As soon as practicable after being
requested by the Management Committee to do so, the Members agree to sign,
swear to or acknowledge the Certificate required by the Act; to sign, swear to,
or acknowledge any amendment or cancellation as required by law; to sign,
swear to or acknowledge similar certificates or affidavits or certificates of
assumed firm name, trade name or the like (and any amendments or cancellations
thereof) required by the laws of Delaware; and to cause the filing of any of
the same for record wherever such filing shall be required by law.

   17.4 Entire Agreement.  This Agreement contains the entire understanding
between the Members and the Company and supersedes any prior understanding and
agreements between them respecting the subject matter herein.  There are no
representations, agreements, arrangements or understandings, oral or written,
between the parties hereto relating to the subject matter of this Agreement
which are not fully expressed or described herein.

   17.5 Severability.  This Agreement is intended to be performed in accordance
with, and only to the extent permitted by, all applicable laws, ordinances,
rules and regulations of the jurisdictions in which the Company does business.
If any provision of this Agreement or the application thereto to any person or
circumstance shall, for any reason and to any extent, be invalid or
unenforceable, the remainder of this Agreement and the application of such
provision to any other Person or circumstances shall not be affected thereby,
but rather shall be enforced to the greatest extent permitted by law.

   17.6 Captions.  All Section titles and captions contained in this Agreement
are for convenience only and shall not be deemed part of the context of this
Agreement.

   17.7 Number and Gender.  All the terms and words used in this Agreement,
regardless of the number and gender in which they are used, shall be deemed
and construed to include any other number, singular or plural, and any other
gender, masculine, feminine or neuter, as the context or sense of this
Agreement or any Section, paragraph or clause herein may require, the same as
if such word had been fully and properly written in such number and gender.

   17.8 Binding Effect.  Subject to the provisions of this Agreement relating
to transferability, this Agreement will be binding upon and shall inure to the
benefit of the parties, and their respective distributees, heirs, successors
and assigns.



















<PAGE>
   17.9 Counterparts.  This Agreement may be executed in several counterparts,
each of which will be deemed an original but all of which will constitute one
and the same.

                        EDISON DEVELOPMENT CORPORATION 
                        (a Michigan corporation)

                         By:  /s/ Larry Garberding
                            ______________________________________

                         Its: Executive Vice-President
                             _____________________________________



                        MECHANICAL TECHNOLOGY INCORPORATED
                        (a New York corporation)

                         By:  /s/ Martin Mastroianni
                            ______________________________________

                         Its: President
                             _____________________________________




































<PAGE>
                                   EXHIBIT A

             CLASS A MEMBERS, CAPITAL CONTRIBUTIONS, AND SHARES





Class A                 FMV of Capital    Adjusted           
Members                 Contributions      Basis         Shares
- -------                 -------------     --------       ------

Edison Development       $4,750,000       $4,750,000     4,750,000
  Corporation           



Mechanical Technology    $4,750,000       $  300,000     4,750,000
  Incorporated          








































<PAGE>
                                   EXHIBIT B

               CLASS B MEMBERS, CAPITAL CONTRIBUTIONS, AND SHARES


Class B                 FMV of Capital     Adjusted        
Members                 Contribution         Basis          Shares
- -------                 ------------       --------         ------



















































<PAGE>
                                   EXHIBIT C

                                   MILESTONES


                        CONFIDENTIAL TREATMENT REQUIRED





















































<PAGE>
                                   EXHIBIT D

                              CONTRACT PROPOSALS

                        CONFIDENTIAL TREATMENT REQUESTED






















































<PAGE>
                                   EXHIBIT E

                       EXCLUDED CONTRACTS AND PROPOSALS

                                      None






















































<PAGE>
                                   EXHIBIT F

                     OPTION AGREEMENT - CONTRIBUTION MATCH
























































<PAGE>
                                   EXHIBIT G
                               
                     OPTION AGREEMENT - RETURNED SHARES
























































<PAGE>



                                                                Exhibit 10.19
                          CONTRIBUTION AGREEMENT

                                   BETWEEN

                    MECHANICAL TECHNOLOGY INCORPORATED,
                          (a New York corporation)

                                    AND

                            PLUG POWER, L.L.C.,
                  (a Delaware limited liability company)


     THIS CONTRIBUTION AGREEMENT (this "Agreement") is entered into between
Mechanical Technology Incorporated, a New York corporation, and Plug Power,
L.L.C., a Delaware limited liability company (the "Company").  This Agreement,
the Limited Liability Company Agreement of Plug Power, L.L.C., a Delaware
limited liability company (the "Operating Agreement"), and the Contribution
Agreement between Edison Development Corporation, a Michigan corporation, and
the Company (the "Management Agreement") are entered as of and shall be
effective simultaneously with each other as of the close of business on the
27th day of June, 1997 (the "Contribution Date").

                                   RECITALS

     1.   MTI conducts a business which is engaged in the research and
development of technology for fuel cells, primarily as a contractor or
subcontractor under government contracts, grants and cooperative agreements
( the "Fuel Cell Business").

     2.   For the purpose set forth in Section 2.4 of the Operating Agreement,
and as its initial Capital Contribution (as defined in Section 4.1 of the
Operating Agreement), MTI wishes to contribute the Fuel Cell Business (except
the "Excluded Assets", as defined in Section 1.2 of this Agreement) to the
Company and in exchange for MTI's initial Capital Contribution MTI shall
become a Class A Member (as defined in Section 1.12 of the Operating Agreement)
in the Company and shall receive the number of Shares of Class A Membership
Interest in the Company (as set forth on Exhibit A to the Operating Agreement)
(the "MTI Shares").

     3.   In order to accomplish the foregoing, simultaneously with the
execution of this Agreement and the Operating Agreement, MTI and the Company
shall enter into the agreements identified in Section 4 below (collectively,
the "Other Agreements").

     4.   The foregoing contribution of assets by MTI and assumption of
liabilities by Company are all subject to the terms and conditions of this
Agreement, the Operating Agreement and the Other Agreements.  










<PAGE>
     In consideration of the foregoing and the mutual representations,
warranties covenants, and agreements contained in this Agreement, MTI and the
Company agree as follows:  

1.   Contribution of Assets by MTI.  

          1.1 Contribution of Assets.  Subject to the terms and conditions of
     this Agreement, on the Contribution Date, MTI hereby assigns, transfers,
     and delivers to the Company, as a contribution to the capital of the
     Company, free and clear of all Liens, except Permitted Liens, all of the
     assets, properties, and business, (excepting the Excluded Assets) of every
     kind and description, wherever located, real, personal, or mixed, tangible
     or intangible, owned, leased or held by MTI, which are necessary for the
     conduct of the Fuel Cell Business by MTI as the same shall exist on the
     Contribution Date including all assets and property shown on the
     Contributed FCB Balance Sheet (and not disposed of in the ordinary course
     of business) and all assets and property thereafter acquired by MTI in
     respect of or necessary for the conduct of and used in the Fuel Cell
     Business immediately prior to the Contribution Date (collectively, the
     "Assets"), and including, without limitation, all right, title, and
     interest of MTI in, to, and under:

              (a)  The machinery, equipment, furniture, vehicles, and other
          tangible property (including, without limitation, maintenance and
          operating supplies, fuel, and spare parts for such machinery and
          equipment) listed and described in Schedule 1.1(a) (the "Equipment");
          
              (b)  The raw materials, finished goods, work-in-process, supplies,
          and inventories described in Schedule 1.1(b) (the "Inventory"); 

              (c)  All rights of MTI (including, but not limited to, any and all
          Intellectual Property Rights) in and to the products sold or leased
          and in and to any products or other Intellectual Property Rights under
          research or development prior to or on the Contribution Date; 

              (d)  All of the rights of MTI under all contracts, arrangements,
          leases and other agreements identified on Schedule 1.1(d), including,
          without limitation, any right to receive goods and services, pursuant
          to such agreements and to assert claims and take other rightful
          actions in respect of breaches, defaults and other violations of
          such contracts, arrangements, licenses, leases and other agreements
          and otherwise;

              (e)  All credits, prepaid expenses, deferred charges, advance
          payments, security deposits and pre-paid items, listed in Schedule
          1.1(e);

              (f)  [Intentionally Omitted]











<PAGE>

              (g)  All Intellectual Property Rights and all rights thereunder
          or in respect thereof primarily relating to or used or held for use
          in connection with the Fuel Cell Business all of which are listed
          on Schedule 1.1(g), including, but not limited to, rights to sue
          for an injunction, damages, and/or other remedies against past,
          present and future infringements thereof and to collect and retain
          any damages resulting therefrom for its own use and enjoyment, and
          rights of priority and protection of interests therein under the
          laws of any jurisdiction worldwide and all tangible embodiments
          thereof (together with all Intellectual Property rights included
          in the other clauses of this Section 1.1, the "Intellectual Property
          Assets");

              (h)  All of MTI's right, title, and interest in, to, and under
          each of the Government Contracts and commercial contracts for research
          and development of fuel cells listed in Schedule 1.1(h); 

              (i)  All books, records, manuals and other materials (in any form
          or medium), including, without limitation, all records and materials
          maintained by MTI regarding any of the Assets and, with respect to the
          Assets and Fuel Cell Business, all price lists, correspondence,
          mailing lists, lists of customers, photographs, production data,
          sales and promotional materials and records, purchasing materials
          and records, manufacturing and quality control records and
          procedures, blueprints, research and development files, records,
          data and laboratory books, Intellectual Property disclosures, media
          materials and plates, accounting records, all files regarding any
          of the Government Contracts transferred hereunder, and litigation
          files;

              (j)  To the extent their transfer is permitted by law, all
          Governmental Approvals, including all applications therefor,
          required for the conduct of the Fuel Cell Business or the occupancy
          or use of the Licensed Premises;

              (k)  All rights to causes of action, lawsuits, judgments, claims
          and demands of any nature available to or being pursued by MTI with
          respect to the Fuel Cell Business or the ownership, use, function or
          value of any Asset, whether arising by way of counterclaim or
          otherwise;

              (l)  All rights, title, and interest of MTI under any agreement
          with past or present employees or independent contractors of MTI
          regarding:  (i) confidentiality or non-disclosure with respect to
          the Assets or Fuel Cell Business; (ii) the obligation of such
          employees or contractors to join in the filing of any patent
          application as an inventor and/or the obligation to assign to MTI
          any patent application on which such employee or contractor is named
          as an inventor; (iii) the obligation to assign and transfer any
          interest of such employee or contractor in any of the Intellectual
          Property Rights; and (iv) any restriction on the right of such
          employee or contractor to use any Intellectual Property Rights or






<PAGE>
          to compete with the Fuel Cell Business.  Each such agreement is
          listed on Schedule 1.1(l); and

              (m)  All guarantees, warranties, indemnities and similar rights
          in favor of MTI with respect to any Asset. 

          1.2 Excluded Assets.  The Company expressly understands and agrees
     that there shall be excluded from the Assets those assets and properties
     of MTI which are necessary for and used in the conduct of the Fuel Cell
     business as listed on Schedule 1.2.  

          In addition, the Company expressly understand and agrees that there
     shall be excluded from the Assets any assets, properties and businesses
     of every kind and description; wherever located; real, personal, or mixed;
     tangible or intangible; owned, leased or held; or used in the conduct of
     any business of MTI (including, but not limited to, assets, properties and
     businesses of MTI's Technology Division) other than the Fuel Cell Business,
     as the same shall exist on the Contribution Date; any and all intellectual
     property owned, held or primarily used by MTI in any business other than
     the Fuel Cell Business (including, but not limited to, use of the name
     Mechanical Technology Incorporated and all derivatives thereof); any and
     all cash, including petty cash, or receivables of MTI as of the close of
     business June 27, 1997, including any reflected on the Contributed FCB
     Balance Sheet.

          1.3 Conveyance Instruments.  In order to consummate MTI's contribution
     of the Assets, MTI has, or will hereafter, execute and deliver, or cause to
     be executed and delivered, all such documents or instruments of assignment,
     transfer, or conveyance, in each case dated the Contribution Date
     (collectively, the "Conveyance Instruments"), as EDC and MTI and their
     respective counsel shall reasonably deem necessary or appropriate to vest
     in, confirm title to and/or record the transfer of (in such form as may be
     required by any Governmental Authority) the Assets to the Company. 

          1.4 Assumed Liabilities.  Subject to the terms and conditions of this
     Agreement and the Operating Agreement, in reliance on the representations,
     warranties, covenants, and agreements of the parties contained herein, the
     Company assumes and agrees to pay, discharge, or fulfill the liabilities
     and obligations relating to the Fuel Cell Business and listed on Schedule
     1.4 (the "Assumed Liabilities").

          1.5 Excluded Liabilities.The Company shall not assume any liabilities,
     obligations or commitments of MTI relating to or arising out of the
     operation of the Fuel Cell Business or the ownership of the Assets prior
     to the Contribution Date other than the Assumed Liabilities (the "Excluded
     Liabilities").













<PAGE>
          1.6 Consent of Third Parties.  Notwithstanding anything to the
     contrary in this Agreement, this Agreement shall not constitute an
     agreement to assign or transfer any Governmental Approval, instrument,
     contract, lease, permit or other agreement or arrangement or any claim,
     right or benefit arising thereunder or resulting therefrom if an
     assignment or transfer or an attempt to make such an assignment or
     transfer without the consent of a third party would constitute a breach
     or violation  thereof or affect adversely the rights of the Company or
     MTI thereunder; and any transfer or assignment to the Company by MTI of
     any interest under any such instrument, contract, lease, permit or other
     agreement or arrangement which requires the consent of a third party
     shall be made subject to such consent or approval being obtained.  In
     the event any such consent or approval is not obtained on or prior to the
     Contribution Date, MTI shall continue to use all best efforts to obtain
     any such approval or consent after the Contribution Date until such time
     as such consent or approval has been obtained, and MTI will cooperate
     with the Company in any lawful and economically feasible arrangement to
     provide that the Company shall receive the interest of MTI in the benefits
     under any such instrument, contract, lease or permit or other agreement or
     arrangement, including performance by MTI, as agent, if economically
     feasible, provided that the Company shall undertake to pay or satisfy the
     corresponding liabilities for the enjoyment of such benefit to the extent
     such liabilities are described as Assumed Liabilities in Schedule 1.4 and
     which the Company would have assumed if such consent or approval had been
     obtained.  MTI shall cooperate with the Company and shall pay and
     discharge, and shall indemnify and hold the Company harmless from and
     against, any and all out-of-pocket costs incurred by MTI in seeking to
     obtain or obtaining any such consent or approval whether before or after
     the Contribution Date.  Nothing in this Section 1.6 shall be deemed a
     waiver by the Company of its right to have received on or before the
     Contribution Date an effective assignment of all of the Assets nor shall
     this Section 1.6 be deemed to constitute an agreement to exclude from
     the Assets any assets described under Section 1.1.

2.   Events Occurring on the Contribution Date. 

          2.1 Deliveries by MTI.  Simultaneously with the execution of this
     Agreement, MTI shall execute and agree to be bound by all of the terms and
     conditions of the Operating Agreement and shall deliver to the Company the
     following: 

              (a)  The Conveyance Instruments to effect the contribution of the
          Assets to the Company, such Conveyance Instruments to be those
          reasonably deemed necessary by, and to be in form and substance
          reasonably satisfactory to counsel for EDC and MTI; 

              (b)  A copy of the resolutions of MTI's Board of Directors,
          certified by its Secretary, authorizing or ratifying its execution and











<PAGE>
          delivery of this Agreement, the Operating Agreement, and the Other
          Agreements, and the consummation of the transactions contemplated
          hereby and thereby;

              (c)  All of the Other Agreements to which MTI is a party, duly
          executed by it. 

              (d)  A copy of MTI's certificate of incorporation, a certified
          copy of its bylaws and other organizational documents;
          
              (e)  A certificate from the Secretary of State of New York as to
          MTI's good standing in such state certified as of a date within
          thirty (30) days of the Contribution Date; 

              (f)  An employment agreement with Wayne Huang, and an
          employment agreement executed by Manmohian Dhar each of which will be
          agreements to be entered into with the Company and in the form and
          substance of the agreements attached in Schedule 2.1(f); 

              (g)  The executed counterpart copies of all Consents and Govern-
          mental Approvals set forth in Schedule 3.1(c);   

              (h)  The opinion of counsel for MTI, dated the Contribution Date,
          in form and substance reasonably satisfactory to EDC's counsel; 

              (i)  All other previously undelivered items required to be
          delivered by MTI at or prior to the Contribution Date pursuant to the
          terms of this Agreement, the Operating Agreement, and the Other
          Agreements.

          2.2 Deliveries by the Company.  

              (a)  Copy of filed Certificate of Formation of the Company; 

              (b)  Execution copies of the Limited Liability Company Agreement
          of Plug Power, LLC, a Delaware limited liability company, dated the
          Contribution Date; 

              (c)  Executed copy of the Contribution Agreement between the
          Company and EDC; 

              (d)  Execution copies of the Distribution Agreement between EDC
          and the Company; and 

              (e)  A transition services agreement between MTI and the
          Company. 













<PAGE>
          2.3 Effect of Contributions.  In exchange for its initial Capital
     Contribution, as defined in Section 4.1 of the Operating Agreement, (i)
     MTI shall become a Class A Member (as defined in Section 1.12 of the
     Operating Agreement) in the Company pursuant to the terms of the
     Operating Agreement; (ii) MTI will receive the Shares; and (iii) the
     Capital Account of MTI will be credited with such amount set forth
     beside its name on Exhibit A to the Operating Agreement.  Such Class A
     Membership Interest and Capital Account shall be subject to adjustment
     as provided under Section 4.7 of the Operating Agreement.  

3.   Representations and Warranties.  

          3.1 Representations and Warranties of MTI.  MTI represents and
     warrants to the Company as follows: 

              (a)  Authorization, etc.  MTI has the corporate power and
          authority to execute and deliver this Agreement and each of the Other
          Agreements to which it is a party and to fully perform its obligations
          and consummate the transactions contemplated thereby.  The execution
          and delivery by MTI of this Agreement and the Other Agreements, and
          the consummation of the transactions contemplated by this Agreement,
          have been duly authorized by all requisite corporate action.  This
          Agreement, together with all other obligations of MTI hereunder,
          constitutes the valid and legally binding obligation of MTI,
          enforceable in accordance with its terms.

              (b)  Corporate Status.  

                   (i)  MTI is a corporation duly organized, validly existing
              and in good standing under the laws of the State of New York with
              full corporate power and authority to carry on the Fuel Cell
              Business and to own or lease and operate the properties as and
              in the places where such business is conducted and such
              properties are owned, leased or operated. 

                   (ii) MTI is duly qualified or licensed to do business and
              is in good standing in each of the jurisdictions specified in
              Schedule 3.1(b)(ii), which are the only jurisdictions in which
              the operation of the Fuel Cell business or the character of the
              properties owned, leased or operated by MTI in connection with
              the Fuel Cell Business makes such qualification or licensing
              necessary.

                   (iii)MTI has delivered to the Company complete and correct
              copies of its certificate of incorporation and by-laws or other
              organizational documents, in each case, as amended and in effect
              on the date hereof.  MTI is not in violation of any of the












<PAGE>
              provisions of its certificate of incorporation or by-laws or
              other organizational documents. 

              (c)  No Conflicts.  The execution, delivery and performance by
          MTI of this Agreement and the consummation of the transactions
          contemplated hereby, do not and will not conflict with or result in
          a violation of or a default under (with or without the giving of
          notice of the lapse of time or both) (i) any Applicable Law applicable
          to MTI or any of the Assets, (ii) the certificate of incorporation
          or by-laws or other organizational documents of MTI or (iii) except
          as specifically set forth in Schedule 3.1(c) and except for any
          conflict which would cause no material adverse affect on the
          Company (any conflict which would affect the transfer of the Assets
          shall be deemed material), any Contract or other contract, agreement
          or other instrument to which MTI or any of its Affiliates is a party
          or by which MTI or any of its properties or assets, including, but
          not limited to the Assets, may be bound or affected.  Except as
          specified in Schedule 3.1(c), no Governmental Approval or other
          Consent is required to be obtained or made by MTI in connection with
          the execution and delivery of this Agreement or the Other Agreements
          or the consummation of the transactions contemplated thereby.

              (d)  Financial Statements.  MTI has delivered to the Company a
          pro forma balance sheet for the Fuel Cell Business as of May 23, 1997
          (the "Preliminary Contributed FCB Balance Sheet"), a copy of which
          is attached as Schedule 3.1(d).  Within ten (10) days after the
          Contribution Date, MTI will deliver to the Company a pro forma
          balance sheet for the Fuel Cell Business (excluding the Excluded
          Assets and Excluded Liabilities) as of the Contribution Date (the
          "Contributed FCB Balance Sheet"); (the Preliminary Contributed FCB
          Balance Sheet and the Contributed FCB Balance Sheet are the
          "Financial Statements").  The Financial Statements fairly present
          the financial condition and results of operations of the Fuel Cell
          Business for the period and as of the dates stated therein.  The
          Total Liabilities reflected on the Contributed FCB Balance Sheet
          shall not exceed by more than $25,000 the total amount of the
          Assumed Liabilities shown on Schedule 1.4.
 
              (e)  Absence of Undisclosed Liabilities.  MTI has no Knowledge
          of any liabilities or obligations of any nature, absolute, accrued,
          contingent or otherwise and whether due or to become due, arising
          out of or relating to the Fuel Cell Business, except (a) as set
          forth in Schedule 3.1(e), (b) as and to the extent disclosed or
          reserved against in the Contributed FCB Balance Sheet and (c) for
          liabilities and obligations that (i) individually and in the
          aggregate are not material to the Fuel Cell Business and have not
          had or resulted in, and will not have or result in, a material
          adverse effect on the Fuel Cell Business or Assets. 











<PAGE>
              (f)  Taxes.  

                        (i) MTI has duly and timely filed all Tax Returns
                   affecting the Fuel Cell Business with respect to Taxes
                   required to be filed on or before the Contribution Date
                   ("Covered Returns").  Except for Taxes set forth on
                   Schedule 3.1(f)(i), which are being contested in good
                   faith and by appropriate proceedings, the following Taxes
                   have been duly and timely paid:  (1) all Taxes shown to be
                   due on the Tax Returns, (2) all deficiencies and assessments
                   of Taxes of which notice has been received by MTI that are
                   or may become payable by the Company or chargeable as a
                   lien upon the Fuel Cell Business, and (3) all other Taxes
                   due and payable as of the Contribution Date for which
                   neither filing of Tax Returns nor notice of deficiency or
                   assessment is required, of which MTI has Knowledge that
                   may become payable by the Company or chargeable as a lien
                   upon the Fuel Cell Business.  All Taxes required to be
                   withheld by or on behalf of MTI in connection with amounts
                   paid or owing to any employee, independent contractor,
                   creditor or other party with respect to the Fuel Cell
                   Business ("Withholding Taxes") have been withheld, and
                   such withheld taxes have either been duly and timely paid
                   to the proper Governmental Authorities or set aside in
                   accounts for such purpose. 

                        (ii) Except as set forth on Schedule 3.1(f)(ii), no
                   agreement or other document extending, or having the effect
                   of extending, the period of assessment or collection of any
                   Taxes or Withholding Taxes, and no power of attorney with
                   respect to any such Taxes, has been filed with the IRS or
                   any other Governmental Authority. 

                        (iii)Except as set forth on Schedule 3.1(f)(iii), (1)
                   there are no Taxes or Withholding Taxes asserted in writing
                   by any Governmental Authority to be due and (2) no issue has
                   been raised in writing by any Governmental Authority during
                   the course of any audit with respect to Taxes or Withholding
                   Taxes.  Except as set forth on Schedule 3.1(f)(iii), no Taxes
                   and no Withholding Taxes are currently under audit by any
                   Governmental Authority.  Except as set forth on Schedule
                   3.1(f)(iii), neither the IRS nor any other Governmental
                   Authority is now asserting or, to the best knowledge of MTI,
                   threatening to assert against MTI any deficiency or claim for
                   additional Taxes or any adjustment of Taxes that would, if














<PAGE>
                   paid by the Company, have an adverse effect on the Fuel Cell
                   Business or the Assets, and there is no reasonable basis for
                   any such assertion of which MTI is or reasonably should be
                   aware.
                   

                        (iv) Except as set forth on Schedule 3.1(f)(iv), there
                   is no litigation or administrative appeal pending or, to the
                   best knowledge of MTI, threatened against or relating to MTI
                   in connection with Covered Taxes. 

                   (g)  Absence of Changes.  Except as set forth in Schedule
              3.1(g), since May 23, 1997, MTI has conducted the Fuel Cell
              Business only in the ordinary course consistent with prior 
              practice and has not, on behalf of, in connection with or relating
              to the Fuel Cell Business or the Assets: 

                        (i)  suffered any adverse effect; 

                        (ii) to MTI's Knowledge incurred any obligation or
                   liability, absolute, accrued, contingent or otherwise,
                   whether due or to become due, except current liabilities
                   for trade or business obligations incurred in connection
                   with the purchase of goods or services in the ordinary
                   course of business consistent with prior practice; 

                        (iii)discharged or satisfied any Lien other than those
                   then required to be discharged or satisfied, or paid any
                   obligation or liability, absolute, accrued, contingent or
                   otherwise, whether due or to become due, other than current
                   liabilities incurred since the date thereof in the ordinary
                   course of business consistent with prior practice; 

                        (iv) mortgaged, pledged or subjected to Lien, any
                   property, business or assets, tangible or intangible, held
                   in connection with the Fuel Cell Business;  

                        (v)  sold, transferred, leased to others or otherwise
                   disposed of any of the Assets (except in the ordinary course
                   of business), or cancelled or compromised any debt or claim,
                   or waived or released any right of substantial value; 

                        (vi) received any notice of termination of any
                   contract, lease or other agreement or suffered any damage,
                   destruction or loss (whether or not covered by insurance); 














<PAGE>
                        (vii)transferred or granted any rights under, or
                   entered into any settlement regarding the breach or
                   infringement of, any Intellectual Property, or modified
                   any existing rights with respect thereto, other than as
                   set forth in this Agreement; 

                        (viii)made any change in the rate of compensation,
                   commission, bonus or other direct or indirect remuneration
                   payable, or paid or agreed or orally promised to pay,
                   conditionally or otherwise, any bonus, incentive, retention
                   or other compensation, retirement, welfare, fringe or
                   severance benefit or vacation pay, to or in respect of any
                   shareholder, director, officer, employee, salesman,
                   distributor or agent of MTI relating to the Fuel Cell
                   Business;

                        (ix) encountered any labor union organizing activity,
                   had any actual or threatened employee strikes, work
                   stoppages, slowdowns or lockouts, or had any material
                   change in its relations with its employees, agents,
                   customers or suppliers;

                        (x)  made any purchase commitment in excess of the
                   normal, ordinary and usual requirements of the Fuel Cell
                   Business or at any price in excess of the then current
                   market price or upon terms and conditions more onerous
                   than those usual and customary in the industry, or made
                   any change in its selling, pricing, advertising or
                   personnel practices inconsistent with its prior practice
                   and prudent business practices prevailing in the industry;
                   
                        (xi) made any capital expenditures or capital additions
                   or improvements in excess of an aggregate of $10,000; 

                        (xii)instituted, settled or agreed to settle any litiga-
                   tion, action or proceeding before any court or governmental
                   body which may affect the Fuel Cell Business or the Assets
                   other than in the ordinary course of business consistent with
                   past practices but not in any case involving amounts in
                   excess of $10,000; 

                        (xiii)entered into any transaction, contract or
                   commitment in the ordinary course of business or paid or
                   agreed to pay any legal, accounting, brokerage, finder's
                   fee, Taxes or other expenses in connection with, or
                   incurred any severance pay obligations by reason of this













<PAGE>
                   Agreement or the transactions contemplated hereby, except
                   as otherwise provided in this Agreement; or 

                        (ix) to MTI's Knowledge, taken any action or omitted
                   to take any action that would result in the occurrence of
                   any of the foregoing. 

                   (h)  Litigation.  Except as set forth on Schedule 3.1(h),
              there is no action, claim, demand, suit, proceeding, arbitration,
              grievance, citation, summons, subpoena, inquiry or investigation
              of any nature, civil, criminal, regulatory or otherwise, in law
              or in equity pending or threatened against or relating to the
              Assets or the Fuel Cell Business or against or relating to the
              transactions contemplated by this Agreement, and MTI does not
              have Knowledge of any basis for the same.  Except as set forth in
              such Schedule 3.1(h), no citations, fines or penalties have been
              asserted against MTI with respect to the Division under any
              Environmental Law or any federal, state or local law relating
              to occupational health or safety.

                   (i)  Compliance with Laws; Governmental Approvals and
              Consents; Governmental Contracts.  

                        (i)  Except as disclosed in Schedule 3.1(i)(i), MTI
                   has complied in all material respects with all Applicable
                   Laws applicable to the Fuel Cell Business or the Assets,
                   and MTI has not received any  notice alleging any such
                   conflict, violation, breach or default.  

                        (ii) Schedule 3.1(i)(ii) sets forth all Governmental
                   Approvals and other Consents necessary for, or otherwise
                   material to, the conduct of the Fuel Cell Business.  Except
                   as set forth in Schedule 3.1(i)(ii), all such Governmental
                   Approvals and Consents have been duly obtained and are in
                   full force and effect, and MTI is in compliance with each
                   of such Governmental Approvals and Consents held by it with
                   respect to the Assets and the Fuel Cell Business.  

                        (iii)Schedule 3.1(i)(iii) sets forth all Government
                   Contracts.   

                        (iv) Except as set forth in Schedule 3.1(iv)(iv), to
                   MTI's Knowledge as of the Contribution Date, there are no
                   proposed laws, rules, regulations, ordinances, orders, judg-
                   ments, decrees, governmental takings, condemnations or other














<PAGE>
                   proceedings which would be applicable to the business,
                   operations or properties of the Fuel Cell Business and
                   which might adversely affect the properties, assets,
                   liabilities, operations or prospects of the Fuel Cell
                   Business, either before or after the Contribution Date. 

                   (j)  Operation of the Fuel Cell Business.  Except as set
              forth in Schedule 3.1(j), (i) MTI has conducted the Fuel Cell
              Business only through MTI and not through any direct or indirect
              subsidiary or affiliate of MTI and (ii) no part of the Fuel Cell
              Business is operated by MTI through any entity other than MTI.
              
                   (k)  Assets.  Except as disclosed in Schedule 3.1(k), MTI
              has good title to all the Assets free and clear of any and all
              Liens other than Permitted Liens.  The Assets, together with the
              services and arrangements described in Section 4, comprise all
              assets and services necessary for the continued conduct of the
              Fuel Cell Business by the Company as now being conducted.  The
              Assets, taken as a whole, constitute all the properties and
              assets relating to or used or held for use in connection with
              the Fuel Cell Business during the past twelve months (except
              cash disposed of, accounts receivable collected, prepaid expenses
              realized, Contracts fully performed, properties or assets
              replaced by equivalent or superior properties or assets, in
              each case in the ordinary course of business, employees not
              hired by the Company, the Excluded Assets, and those services
              which the Company has the right to receive from MTI under the
              Services Agreement).  Except for Excluded Assets, there are no
              assets or properties used in the operation of the Fuel Cell
              Business and owned by any Person other than MTI that will not
              be leased or licensed to the Company under valid, current
              leases or license arrangements.  The Assets are in all material
              respects adequate for the purposes for which such assets are
              currently used or are held for use, and are in reasonably good
              repair and operating condition (subject to normal wear and tear)
              and, to the Knowledge of MTI, there are no facts or conditions
              affecting the Fuel Cell Business or the Assets which could,
              individually or in the aggregate, interfere in any material
              respect with the conduct of the Fuel Cell Business.   

                   (l)  Contracts.  

                        (i)  Schedule 3.1(l)(i) contains a complete and correct
                   list of all agreements, contracts, commitments and other
                   instruments and arrangements (whether written or oral) of the
                   types described below (1) by which any of the Assets are













<PAGE>
                   bound or affected or (2) to which MTI is a party or by
                   which it is bound that affects the Fuel Cell Business or
                   the Assets (the "Contracts"): 

                             (1) licenses, permits, Governmental Approvals,
                        and other contracts concerning or relating to
                        the Licensed Premises; 

                             (2) employment, consulting, agency, collective
                        bargaining or other similar contracts, agreements,
                        and other instruments and arrangements relating to or
                        for the benefit of current, future or former employees
                        or inventors, officers, directors, sales
                        representatives, distributors, dealers, agents,
                        independent contractors or consultants; 

                             (3) loan agreements, indentures, letters of
                        credit, mortgages, security agreements, pledge
                        agreements, deeds of trust and instruments relating to
                        the borrowing of money or obtaining of or extension of
                        credit; 

                             (4) licenses, licensing arrangements and other
                        contracts providing in whole or in part for the use of,
                        or limiting the use of, any of the Intellectual Property
                        Rights; 

                             (5) notifications, requests for bid, proposals,
                        awards, contracts, and grants under which MTI has or
                        may have rights to obligations; 

                             (6) joint venture, partnership and similar
                        contracts involving a sharing of profits or expenses
                        (including, but not limited to, joint research and de-
                        velopment and joint marketing contracts); 

                             (7) asset purchase agreements and other
                        acquisition or divestiture agreements, including, but
                        not limited to, any agreements relating to the sale,
                        lease or disposal of any Assets (other than sale of
                        inventory in the ordinary course of business) or
                        involving continuing indemnity or other obligations; 

















<PAGE>
                             (8) orders and other contracts for the purchase
                        or sale of materials, supplies, products or services,
                        each of which involves aggregate payments in excess of
                        $10,000 in the case of purchases or $10,000 in the case
                        of sales; 

                             (9) contracts with respect to which the
                        aggregate amount that could reasonably expected to be
                        paid or received thereunder in the future exceeds
                        $10,000 per annum or $30,000 in the aggregate; 

                             (10)sales agency, manufacturer's representa-
                        tive, marketing or distributorship agreements; 

                             (11)contracts, agreements or arrangements
                        with respect to the representation of the Fuel Cell
                        Business in foreign countries; and 

                             (12)master lease agreements providing for the
                        leasing of personal property primarily used in, or held
                        for use primarily in connection with, the Fuel Cell
                        Business.  

                        (ii) MTI has delivered to the Company complete and
                   correct copies of all written Contracts, together with all
                   amendments thereto, and accurate descriptions of all material
                   terms of all oral Contracts, set forth or required to be set
                   forth in Schedule 3.1(l)(i).  

                        (iii)All Contracts are in full force and effect and
                   enforceable against each party thereto.  There does not exist
                   under any Contract any event of default or event or condition
                   that, after notice or lapse of time or both, would constitute
                   a violation, breach or event of default thereunder on the
                   part of MTI or, to the Knowledge of MTI, any other party
                   thereto except as set forth in Schedule 3.1(l)(iii).
                   Except as set forth in Schedule 3.1(l)(iii), no consent of
                   any third party is required under any Contract as a result
                   of or in connection with, and the enforceability of any
                   Contract will not be affected in any manner by, the
                   execution, delivery and performance of this Agreement or
                   any of the Other Agreements or the consummation of the
                   transactions contemplated thereby.
















<PAGE>
                        (iv) MTI has no outstanding power of attorney
                   relating to the Fuel Cell Business. 

                   (m)  Territorial Restrictions.  Except as set forth in
              Schedule 1.1(m), MTI is not restricted by any written agreement
              or understanding with any other Person from carrying on the Fuel
              Cell Business anywhere in the world.  The Company, solely as a
              result of its receipt of MTI's contribution of the Fuel Cell
              Business pursuant to this Agreement or by its assumption of the
              Assumed Liabilities, will not become restricted in carrying on
              any business anywhere in the world.  

                   (n)  Inventories.  All Inventories are of good, usable and
              merchantable quality.  

                   (o)  Suppliers; Raw Materials.  Schedule 3.1(o) sets forth
              (i) the names and addresses of all suppliers from which the Fuel
              Cell Business ordered raw materials, supplies, merchandise and
              other goods and services with an aggregate purchase price for
              each such supplier of $100 or more during the twelve month period
              ended May 31, 1997 and (ii) the amount for which each such
              supplier invoiced the Fuel Cell Business during such period.  MTI
              has not received any notice or has any reason to believe that
              there has been any material adverse change in the price of such
              raw materials, supplies, merchandise or other goods or services,
              or that any such supplier will not sell raw materials, supplies,
              merchandise and other goods to the Company at any time after the
              Contribution Date on the terms and conditions similar to those
              used in its current sales to the Fuel Cell Business, subject to
              general and customary price increases. To the best knowledge of
              MTI, no supplier of the Fuel Cell Business described in clause
              (i) of the first sentence of this Section 3.1(o) has otherwise
              threatened to take any action described in the preceding sentence
              as a result of the consummation of the transactions contemplated
              by this Agreement or the Other Agreements.

                   (p)  Government Contracts.  

                        (i)  Government Contracts.  Schedule 3.1(i)(iii)
                   identifies all contracts, grants, cooperative agreements,
                   awards, proposals, requests to bid, notification of
                   opportunity to bid, or other arrangements in which MTI is
                   either a prime contractor, subcontractor, grantee, awardee,
                   bidder, or prospective bidder or any such arrangement
                   between MTI and its subcontractors for any Government
                   Contract relating to the Fuel Cell Business ("Government













<PAGE>
                   Contracts").  Except for explicit references to
                   sections of the applicable agency acquisition regulations, or
                   Federal Acquisition Regulations, none of the Government
                   Contracts is subject to any "implied" clauses or other
                   understandings which modify, extend or limit the contract
                   in any way.  

                        (ii) Patent Rights.  MTI has or will, upon the receipt
                   of the Consents, have the authority and ability to assign to
                   the Company all patent rights accrued as a result of its
                   performance under the Government Contracts ("MTI Patent
                   Rights").
                   

                        (iii)Exceptions to Patent Rights.  Except as noted on
                   Schedule 3.1(p)(ii), MTI has complied with all applicable
                   agency policies and contract procedures necessary to secure
                   in itself the right to file patent applications for the MTI
                   Patent Rights.  MTI shall, within sixty (60) days of the
                   date of this Agreement, secure in itself the right to file
                   patent applications for MTI Patent Rights which it has not
                   yet secured in itself. MTI shall assign such patent rights
                   solely to the Company within ten (10) days of securing such
                   rights.

                        (iv) Third Party and Government Rights.  Except in
                   the case of the Government Contracts set out on Schedule
                   3.1(p)(iv), no other party has a license, whether express or
                   implied, to use the MTI Patent Rights.  In the case of the
                   Government Contracts set out on Schedule 3.1(p)(iv), the
                   parties to each such contract, including the United States
                   government, have only a non-exclusive, perpetual, non-
                   assignable, license to use the MTI Patent Rights, as of the
                   date of this Agreement.  

                        (v)  March In Rights.  MTI has complied with its
                   obligations set out in the Government Contracts and otherwise
                   required by 35 U.S.C. 203, to prevent the relevant Federal
                   agency from requiring the assignment of the MTI Patent Rights
                   to any other party, including a signatory to the applicable
                   Government Contract.  

                   (q)  Absence of Certain Fuel Cell Business Practices.  To
              MTI's Knowledge, neither MTI, nor any officer, employee or agent
              of MTI, or any other person acting on MTI's behalf, has, directly
              or indirectly, within the past five years given or agreed to give
              any gift or similar benefit to any customer, supplier,












<PAGE>
              governmental employee
              or other person who is or may be in a position to help or hinder
              the Fuel Cell Business (or assist MTI in connection with any
              actual or proposed transaction relating to the Fuel Cell Business)
              (i) which subjected or might have subjected MTI to any damage or
              penalty in any civil, criminal or governmental litigation or
              proceeding, (ii) which if not given in the past, might have had
              an adverse effect on the Fuel Cell Business or MTI, (iii) which
              if not continued in the future, might have an adverse effect on
              the Fuel Cell Business or the Assets or subject the Fuel Cell
              Business or the Company to suit or penalty in any private or
              governmental litigation or proceeding, (iv) for any of the
              purposes described in Section 162(c) of the Code or (v) for the
              purpose of establishing or maintaining any concealed fund or
              concealed bank account. 

                   (r)  Intellectual Property Rights.  

                        (i)  MTI owns, or is licensed or otherwise possesses
                   legally enforceable and sufficient rights to use the
                   Intellectual Property Rights.  Schedule 3.1(r)(i) lists all
                   current and past (lapsed, expired, abandoned or cancelled)
                   patents, registered and material unregistered copyrights,
                   trade marks, service marks, trade names and any applications
                   therefor that are necessary for the conduct of the Fuel Cell
                   Business and specifies the jurisdictions in which each such
                   Intellectual Property Right has been issued or registered or
                   in which an application for such issuance and registration
                   has been filed, including the respective registration or
                   application numbers and the names of all registered owners.
                   Schedule 3.1(r)(i) lists (1) any requests MTI has received
                   to make any registration of the type referred to in the
                   immediately preceding sentence, including the identity of the
                   requestor and the item requested to be so registered, and the
                   jurisdiction for which such request has been made; (2) all
                   licenses, sublicenses and other agreements (written or oral)
                   as to which MTI is a party and pursuant to which any person
                   is authorized to use any Intellectual Property Right, or any
                   trade secret material of the Fuel Cell Business, and includes
                   the identity of all parties thereof, a description of the
                   nature and subject matter thereof, the applicable royalty and
                   the term thereof; and (3) all licenses, sublicenses, and
                   other agreements (written or oral) as to which MTI is a party
                   and pursuant to which MTI is authorized to use any
                   intellectual property rights in MTI's conduct of the Fuel
                   Cell Business ("Third Party Intellectual Property Rights"),or













<PAGE>
                   other trade secret of a third party in or as to any product,
                   and includes the identity of all parties thereto, a
                   description of the nature and subject matter thereof, the
                   applicable royalty and the term thereof.  MTI is not party
                   to any oral license, sublicense or agreement which, if
                   reduced to written form, would be required to be listed in
                   Schedule 3.1(r)(i).

                        (ii) Except as otherwise provided in this Agreement
                   or as set forth in Schedule 3.1(r)(ii), MTI is not, nor will
                   it be as a result of the execution and delivery of this
                   Agreement or the performance of its obligations hereunder,
                   in violation of any license, sublicense, or agreement
                   described in Schedule 3.1(r)(i).  No claims with respect
                   to the Intellectual Property Rights, or Third Party
                   Intellectual Property Rights, to the extent arising out of
                   any use, reproduction or distribution of such Third Party
                   Intellectual Property Rights by or through MTI, are
                   currently pending or, to the Knowledge of MTI are
                   threatened by any Person, nor does MTI have Knowledge of
                   any valid grounds for any such claims that are bona fide
                   (1) to the effect that the manufacture, sale, licensing or
                   use of any product as now used, sold or licensed or proposed
                   for use, sale or license by MTI infringes on any copyright,
                   patent, trademark, service mark or trade secret; (2) against
                   the use by MTI of any of the Intellectual Property Rights;
                   (3) challenging the ownership, validity or effectiveness of
                   any of the Intellectual Property Rights or other trade
                   secret material to the Fuel Cell Business; or (4) challenging
                   the license or legally enforceable right to use any of the
                   Third Party Intellectual Property Rights. To the Knowledge
                   of MTI, all patents, registered trademarks, trade names
                   and copyrights held by MTI are valid and subsisting.
                   Except as set forth in Schedule 3.1(r)(ii), to the
                   Knowledge of MTI, there is no material unauthorized use,
                   infringement or misappropriation of any of the Intellectual
                   Property Rights by any third party, including any employee
                   or former employee of MTI. 

                        (iii)Except as set forth in Schedule 3.1(r)(iii), MTI
                   (1) has not been sued, charged in writing, or otherwise
                   notified of any claim that any of the Intellectual Property
                   Rights infringe any other Person's trade secrets, patents,
                   trademarks, service marks, trade names or copyrights and
                   which has not been finally terminated prior to the date
                   hereof, nor has MTI been informed or notified by any third
                   party that MTI's use of any of the Intellectual Property
                   Rights and/or operation of the Fuel Cell business may











<PAGE>
                   constitute such an infringement and (2) has no Knowledge
                   of any infringement liability with respect to, or
                   infringement by MTI in its conduct of the Fuel Cell Business
                   of any trade secret, patent, trademark, service mark, trade
                   names or copyright of another.

                        (iv) Employee Restrictions.  To MTI's Knowledge
                   none of MTI's employees (past or present, full or part-time)
                   involved in MTI's conduct of the Fuel Cell Business is
                   obligated under any contract or contracts ((including
                   licenses, agreements, covenants and other commitments of any
                   nature), or is subject to any order, writ, judgment,
                   injunction, decree, determination or award of any court,
                   administrative agency or other tribunal, that restricts
                   the employee's activities on behalf of MTI's conduct of
                   the Fuel Cell Business or interferes with the use of such
                   employee's best efforts to promote the interests of MTI
                   in the conduct of the Fuel Cell Business.

                        (v)  Confidential Information.  MTI has not disclosed
                   any information of a proprietary or confidential nature
                   relating to its business, products, technology or financial
                   condition to any person or entity, except as described in
                   Schedule 3.1(r)(v).

                   (s)  Insurance.  Schedule 3.1(s) contains a complete and
              correct list and summary description of all insurance policies
              maintained by MTI for the benefit of or in connection with the
              Assets or the Fuel Cell Business.  MTI has delivered to the
              Company complete and correct copies of all such policies together
              with all riders and amendments thereto.  Such policies are in
              full force and effect, and all premiums due thereon have been
              paid.  MTI has complied in all material respects with the terms
              and provisions of such policies.  The insurance overage provided
              by such policies is adequate and customary for the Fuel Cell
              Business.  Schedule 3.1(s) sets out all claims made by MTI under
              any policy of insurance during the past two years with respect
              to the Fuel Cell Business and in the opinion of MTI reasonably
              formed and held, there is no basis on which a claim should or
              could be made under any such policy with respect to it.

                   (t)  Licensed Premises.  MTI is the owner of the real
              property in which the Licensed Premises are located (the
              "Property"). MTI's license under the Services Agreement to the
              Company of the Licensed Premises does not violate or conflict
              with any instrument of record or agreement affecting the
              Property.  MTI has no Knowledge of any eminent domain or












<PAGE>
              similar proceedings against the Property which could adversely
              affect the Company's use or occupancy of the Licensed Premises
              during the term of the license.  There are no defaults by MTI
              under any mortgage on the Property which could give rise to the
              mortgagee's foreclosure on the Property or give rights to any
              mortgagee to disturb the Company's use or occupancy of the
              Licensed Premises during the term of the license.  

                   (u)  Environmental Matters.  

                        (i)  Permits.  All Environmental Permits necessary
                   for the conduct of the Fuel Cell Business are identified
                   Schedule 3.1(u)(i), and MTI currently holds all such En-
                   vironmental Permits, and all such Environmental Permits to
                   the extent permitted by law shall be validly transferred to
                   the Company on the Contribution Date.  MTI has not been
                   notified by any relevant Governmental Authority that any
                   such Environmental Permit will be modified, suspended,
                   cancelled or revoked, or cannot be renewed in the ordinary
                   course of business.  

                        (ii) No Violations.  MTI has complied in all material
                   respects with all Environmental Permits and all applicable
                   Environmental Laws pertaining to the Licensed Premises and
                   MTI's conduct of the Fuel Cell Business.  No Person has
                   alleged any violation by MTI of any such Environmental
                   Permits or any applicable Environmental Law relating to MTI's
                   conduct of the Fuel Cell Business. 

                        (iii)No Actions.  Except as set forth in Schedule
                   3.1(u)(iii), MTI has not caused or taken any action that has
                   resulted or may result in any liability or obligation
                   relating to (1) the environmental conditions on, under, or
                   about the Licensed Premises, the Assets or other properties
                   or assets owned, leased or used by MTI in connection with
                   and necessary for the conduct of the Fuel Cell Business, or
                   (2) the past or present use, management, handling, transport,
                   treatment, generation, storage or Release of any Hazardous
                   Substances, except for any such liabilities and obligations
                   that, individually and in the aggregate, are not material to
                   the Fuel Cell Business and have not had or resulted in, and
                   will not have or result in, any material adverse effect on
                   the Fuel Cell Business.  
















<PAGE>
                        (iv) Other.  Except as set forth in Schedule 3.1(u)(iv):
                   (1) MTI has not transported or arranged for transportation
                   (directly or indirectly) of any Hazardous Substances relating
                   to the Fuel Cell Business to any location that is, listed or
                   proposed for listing under CERCLA, or on any similar state
                   list, or the subject of federal, state or local enforcement
                   actions or investigations or Remedial Action; and (2) no
                   work, repair, construction or capital expenditure is
                   required or planned in respect of the Assets or the Licensed
                   Premises pursuant to or to comply with any Environmental Law,
                   nor has MTI received any notice of any such requirement,
                   except for such work, repair, construction or capital
                   expenditure as is not material to the Fuel Cell Business and
                   is in the ordinary course of business.  

                        (v)  Full Disclosure.  MTI has disclosed and made
                   available to the Company, all information, including, without
                   limitation, all studies, analyses and test results, in the
                   possession, custody or control of MTI relating to Hazardous
                   Substances used, managed, handled, transported, treated,
                   generated, stored or Released by MTI or any other Person at
                   any time on the Licensed Premises, or otherwise in connection
                   with the use or operation of the properties or assets used in
                   or held for use in connection with the Fuel Cell Business.

                   (v)  Employees, Labor Matters, etc.   MTI is not a party to
              or bound by any collective bargaining agreement and there are no
              labor unions or other organizations representing, purporting to
              represent or attempting to represent any employees employed in the
              operation of the Fuel Cell Business.  Schedule 3.1(v) contains a
              list of all employees of MTI that work for or in the Fuel Cell
              Business, along with the position and the annual rate of
              compensation of each such person.  Each such employee, as well as
              any other person who was involved in the development or creation
              of MTI's Intellectual property Rights, has entered into a
              confidentiality and assignment of inventions agreement with MTI,
              a copy of which has previously been delivered to the Company.
              Except as set forth in Schedule 3.1(v), to the Knowledge of MTI,
              no key employee or group of employees employed by MTI in the Fuel
              Cell Business has any plans to terminate employment with MTI.
              MTI has complied in all material respects with all provisions of
              Applicable Law pertaining to the employment of the  employees of
              the Fuel Cell Business, including, without limitation, all such
              Laws relating to labor relations, equal employment, fair
              employment practices, entitlements, prohibited discrimination or














<PAGE>
              other similar employment practices or acts, except for
              any failure or failures to comply that, individually or together
              with all such other failures, has not and will not result in a
              material liability or obligation on the part of the Fuel Cell
              Business, and has not had or resulted in, and will not have or
              result in, an adverse effect on the Fuel Cell Business.  

                   (w)  Employee Benefit Plans.  Schedule 3.1(w) lists each
              pension, retirement , profit sharing, deferred compensation, bonus
              or other incentive plan, or other employee benefit program,
              arrangement, agreement or understanding, or medical, vision,
              dental or other health plan, or life insurance or disability plan,
              or any other employee benefit plan, including, without limitation,
              any "employee benefit plan" as defined in Section 3(3) of the
              Employee Retirement Income Security Act of 1974, as amended
              ("ERISA"), to which MTI contributes or is a party or is bound or
              under which it may have liability and under which employees or
              former employees of the Fuel Cell Business (or their
              beneficiaries) are eligible to participate or derive a benefit
              ("Employee Benefit Plans').  MTI has delivered to the Company
              true, correct and complete copies of all Employee Benefit Plans.
              
                   (x)  Confidentiality. Except as set forth on Schedule 3.1(x),
              MTI has taken all steps necessary to preserve the confidential
              nature of all material confidential information (including,
              without limitation, any proprietary information) with respect to
              the Fuel Cell Business, including, but not limited to, the
              manufacturing or marketing of any of the Fuel Cell Business
              products or services.

                   (y)  No Guarantees.  Except as set forth on Schedule 3.1(y),
              none of the obligations or liabilities of the Fuel Cell Business
              or of MTI incurred in connection with the operation of the Fuel
              Cell Business is guaranteed by or subject to a similar contingent
              obligation of any other Person.  MTI has not guaranteed or become
              subject to a similar contingent obligation in respect of the
              obligations or liabilities of any other Person. There are no
              outstanding letters of credit, surety bonds or similar
              instruments of MTI or any of its Affiliates in connection with
              the Fuel Cell Business or the Assets.

                   (z)  Disclosure.  No representation or warranty made by
              MTI in this Agreement nor any statement or certificate furnished
              or to be furnished by MTI to the Company or its representatives
              in connection with or pursuant to this Agreement contains or will
              contain any untrue statement of a material fact, or omits or will
              omit to state any material fact required to make the statements












<PAGE>
              not misleading. There is no fact (other than matters of a
              general economic or political nature which do not affect the
              Fuel Cell Business uniquely) known to MTI that has not been
              disclosed by MTI to the Company that might reasonably be
              expected to have or result in a material adverse effect
              on the Fuel Cell Business. 

                   (aa) Contract Payments.  MTI has not received any prepay-
              ments or advances under any Contract or Government Contract.   

4.   Related Transactions. 

          4.1 Other Agreements.  Contemporaneously with the execution of this
     Agreement and the Operating Agreement, MTI and the Company shall enter
     into the following agreements: 

              (a)  A Distribution Agreement in the form attached as Schedule
          4.1(a).  

              (b)  A Services Agreement in the form attached as Schedule 4.1(b).


5.   Covenants of MTI. 

          5.1 Information Retention.  Other than the books and records of MTI
     and the Fuel Cell Business contributed to the Company hereunder, MTI will
     retain all books and records relating to the Fuel Cell Business in
     accordance with MTI's record retention policies as presently in effect.
     During the three (3) year period beginning on the Contribution Date, MTI
     shall not dispose of or permit the disposal of any such books and records
     not required to be retained under such policies without first giving 60
     days' prior written notice to the Company offering to surrender the same
     to the Company at the Company's expense.

          5.2 [Intentionally Omitted.]

          5.3 Liability for Transfer Taxes.  MTI shall be responsible for the
     timely payment of, and shall indemnify and hold harmless the Company
     against, all sales,  use, value added, documentary, stamp, gross receipts,
     registration, transfer, conveyance, excise, recording, license and other
     similar Taxes and fees ("Transfer Taxes"), arising out of or in connection
     with or attributable to the transactions effected pursuant to this
     Agreement.  MTI shall prepare and timely file all Tax Returns required to
     be filed in respect of Transfer Taxes, provided that the Company shall be
     permitted to prepare any such Tax Returns that are the primary
     responsibility of the Company under applicable law.  The Company's













<PAGE>
     preparation of any such Tax Returns shall be subject to MTI's approval,
     which approval shall not be withheld unreasonably. 

          5.4 Certificates of Tax Authorities.  MTI shall provide to the
     Company copies of certificate from the appropriate taxing authority for
     which the Company could have liability to withhold or pay Taxes with
     respect to the transfer of the Assets or the Fuel Cell Business within
      _______ days following the Contribution Date. 

          5.5 Confidentiality.  MTI will treat and hold as such all of the
     Confidential Information, refrain from using any of the Confidential
     Information except in connection with this Agreement, and deliver
     promptly to the Company or destroy, at the request and option of the
     Company, all tangible embodiments (and all copies) of the Confidential
     Information which are in its possession.  In the event that MTI is
     requested or required (by oral question or request for information or
     documents in any legal proceeding, interrogatory, subpoena, civil
     investigative demand, or similar process) to disclose any Confidential
     Information, MTI will notify the Company promptly of the request or
     requirement so that the Company may seek an appropriate protective order
     or waive compliance with the provisions of this Section 5.5.  If in the
     absence of a protective order or the receipt of a waiver hereunder, MTI
     is, on the advice of counsel, compelled to disclose any Confidential
     Information to any tribunal, MTI may disclose the Confidential
     Information to the tribunal.

          5.6 Covenant Not to Compete.  For a period of three (3) years from
     and after the Contribution Date, MTI will not engage directly or indirectly
     in any business previously or presently (as of the Contribution Date)
     conducted by the Fuel Cell Business in the United States;  provided,
     however, that no owner of less than 5% of the outstanding stock of any
     publicly traded corporation shall be deemed to engage solely by reason
     thereof in any of such publicly trade company's businesses. If the final
     judgment of a court of competent jurisdiction declares that any term or
     provision of this Section 5.6 is invalid or unenforceable, the Parties
     agree that the court making the determination of invalidity or
     unenforceability shall have the power to reduce the scope, duration, or
     area of the term or provision, to delete specific words or phrases, or
     to replace any invalid or unenforceable term or provision that is valid
     and enforceable and that comes closest to expressing the intention of the
     invalid or unenforceable term or provision, and this Agreement shall be
     enforceable as so modified after the expiration of the time within which
     the judgment may be appealed.  This covenant shall not prevent MTI from
     performance under the Distribution Agreement described in Section 2.2(d)
     or conduct of any further research and development under the NYSERDA
     contract regarding the hybrid electrical vehicle, an Excluded Asset. 













<PAGE>
6.   Indemnification. 

          6.1 By MTI.  

              (a)  MTI - Indemnity for Breach of Representations, Warranties,
          Covenants and Agreements.  MTI agrees to indemnify, defend and hold
          harmless the Company from and against all Losses which may be
          incurred by the Company arising out of any breach by MTI of any of
          MTI's representations warranties, covenants or agreements made in
          this Agreement, the Schedules attached hereto or any document or
          instrument delivered in connection with the transactions contemplated
          hereby.  The maximum liability of MTI to the Company under this
          Section 6.1 for breaches of MTI's representations and warranties in
          Section 3 shall be limited to the total amount of Capital
          Contributions made by EDC to the Company under Article 4 of the
          Operating Agreement.

              (b)  MTI - Indemnity for Excluded Liabilities.  MTI agrees to
          indemnify, defend and hold harmless the Company from and against all
          Losses which may be incurred by the Company with respect to or arising
          out of any of the Excluded Liabilities.  There shall be no limitation
          of either time or amount on MTI's obligation to indemnify, defend and
          hold harmless the Company under this Section 6.1(b).  

          6.2 By Company.  The Company agrees to indemnify MTI with respect
     to any and all claims, losses, liabilities, costs and expenses (including
     attorneys' fees and reimbursable expenses) which may be reasonably incurred
     by MTI arising out of any breach by the Company of any of its
     representations, warranties, covenants or agreements made in this
     Agreement, the Schedules hereto or any document or instrument delivered
     in connection with the transactions contemplated hereby or arising out
     of any of the Assumed Liabilities.

          6.3 Notice and Defense of Claims.  A party claiming indemnification
     under this Section 6 (the "Asserting Party") must promptly notify in
     writing the party from which indemnification is sought (the "Defending
     Party") of the nature and basis of such claim for indemnification.  If
     such claim relates to a claim, litigation or other action by a third
     party against the Asserting Party, or any fixed or contingent liability
     to a third party (a "Third Party Claim"), the Defending Party may elect
     to assume the defense of the Third Party claim at its own expense with
     counsel selected by the Defending Party.  The Defending Party may not
     assume the defense if the named parties to the Third Party Claim
     (including any impleaded parties) include both the Defending Party and
     the Asserting Party and representation of both parties by the same
     counsel would be inappropriate due to actual or potential differing
     interests between them, in which case the Asserting Party shall have the
     right to defend the Third Party Claim and to employ counsel approved by the











<PAGE>
     Defending Party at the expense of the Defending Party.  If the Defending
     Party assumes the defense of the Third Party Claim, the Defending Party
     shall be liable for any fees and expenses of counsel for the Asserting
     party incurred thereafter in connection with the Third Party Claim
     (except in the case of actual or potential differing interests, as provided
     in the preceding sentence).  If the Defending Party does not assume the
     defense of the Third Party Claim, the Asserting Party shall have the right
     to assume the defense of and settle the Third Party Claim (at the Defending
     Party's expense), if such Asserting Party shall notify the Defending Party
     of the Asserting Party's intention to settle the Third Party Claim (at the
     Defending Party's expense), unless the Defending Party shall notify
     Asserting Party in writing within five (5) days after receipt of such
     notice of intention to settle of the Defending Party's election to assume
     (at its expense) the defense of the Third Party Claim and promptly
     thereafter takes appropriate action to implement such defense. The
     Asserting Party and the Defending shall use all reasonable efforts to
     cooperate fully with respect to the defense of any claim, action or
     proceeding covered by this Section 6.  

          6.4 Remedies.  Except as otherwise provided herein, none of the
     remedies provided in this Agreement for either party, including specific
     performance, are the exclusive remedy of either party for a breach of
     this Agreement.  Except as otherwise provided herein, the parties shall
     have the right to seek any other remedy in law or equity in lieu of or
     in addition to any remedies provided in this Agreement, including an
     action for damages for breach of contract.

7.   Public Announcements.  Any and all press releases and other public
announcements or communications concerning this Agreement and the transactions
hereunder shall be made only with the Company's prior written approval or as
otherwise required by law.

8.   Brokers. 

          8.1 For MTI.  MTI represents and warrants that it has not engaged any
     broker or finder or incurred any liability for brokerage fees, commissions
     or finder's fees in connection with the transactions contemplated by this
     Agreement.  MTI agrees to indemnify and hold harmless the Company against
     any claims or liabilities asserted against it by any person acting or
     claiming to act as a broker or finder on behalf of MTI.  

          8.2 For the Company.  The Company represents and warrants that it has
     not engaged any broker or finder or incurred any liability for brokerage
     fees, commissions or finder's fees in connection with the transactions
     contemplated by this Agreement.  The Company agrees to indemnify and hold
     harmless MTI against any claims or liabilities asserted against it by any
     person acting or claiming to act as a broker or finder on behalf of the
     Company.











<PAGE>
9.   Definition of Certain Terms.  

     The terms defined in this Section 9, whenever used in this Agreement
(including in the Schedules), shall have the respective meanings indicated
below for all purposes of this Agreement.  All references herein to a Section
or Schedule are to a Section or Schedule of or to this Agreement, unless
otherwise indicated.

          "Affiliate" of a Person means a Person that directly or indirectly
     through one or more intermediaries, controls, is controlled by, or is
     under common control with, the first Person.  "Control" (including the
     terms "controlled by" and "under common control with") means the
     possession, directly or indirectly, of the power to direct or cause the
     direction of the management policies of a person, whether through the
     ownership of voting securities, by contract or credit arrangement, as
     trustee or executor, or otherwise. 

          "Agreement" means this Contribution Agreement, including the Schedules
     hereto. 

          "Applicable Law" means all applicable provisions of all (i)
     constitutions, treaties, statutes, laws (including the common law), rules,
     regulations, ordinances, codes or orders of any Governmental Authority,
     (ii) Governmental Approvals and (iii) orders, decisions, injunctions,
     judgments, awards and decrees of or agreements with any Governmental
     Authority.

          "Assets" is defined in Section 1.1.  

          "Assumed Liabilities" is defined in Section 1.4.  

          "Business Day" shall mean a day other than a Saturday, Sunday or other
     day on which commercial banks in Detroit or New York are authorized or
     required to close. 

          "Code" means the Internal Revenue Code of 1986, as amended. 

          "Confidential Information" means any information concerning the
     businesses and affairs of the Fuel Cell Business that is not already
     generally available to the public.  

          "Consent" means any consent, approval, authorization, waiver,
     permit, grant, franchise, concession, agreement, license, exemption or
     order of, registration, certificate, declaration or filing with, or
     report or notice to, any Person, including, but not limited to, any
     Governmental Authority.

          "Contracts" is defined in Section 3.1(l)(i). 











<PAGE>
          "Contributed FCB Balance Sheet" is defined in Section 3.1(d). 

          "Contribution Date" is defined in the introductory paragraph of this
     Agreement.  

          "Copyrights" shall mean the copyrights registered with the U.S.
     Copyright Office, as further described on Schedule 9 - Copyrights,
     attached, which lists all federally registered copyrights now held or at
     anytime held by MTI and used in the Fuel Cell Business, together with all
     other copyrighted or copyrightable works used in the Fuel Cell Business
     (as described on Schedule 9 - Copyrights, the "Works") and any derivative
     works of the Works and any "Moral Rights" MTI may have in the Works,
     including the Works described in any registered copyrights listed on
     Schedule 9 - Copyrights.  

          "Covered Returns" is defined in Section 3.1(f)(i).

          "$ or dollars" means lawful money of the United States. 

          "EDC" means Edison Development Corporation, a Michigan corporation,
     whose address is 2000 Second Avenue, Detroit, Michigan 48226-1279.  

          "Environmental Laws" means all Applicable Laws relating to the
     protection of the environment, to human health and safety, or to any
     emission, discharge, generation, processing, storage, holding, abatement,
     existence, Release, threatened Release or transportation of any Hazardous
     Substances, including, without limitation, (i) CERCLA, the Resource
     Conservation and Recovery Act, and the Occupational Safety and Health Act,
     (ii) all other requirements pertaining to reporting, licensing, permitting,
     investigation or remediation of emissions, discharges, releases or
     threatened releases of Hazardous Materials into the air, surface water,
     groundwater or land, or relating to the manufacture, processing,
     distribution, use, sale, treatment, receipt, storage, disposal, transport
     or handling of Hazardous Substances, and (iii) all other requirements
     pertaining to the protection of the health and safety of employees or the
     public.

          "Environmental Liabilities and Costs" means all Losses, whether direct
     or indirect, known or unknown, current or potential, past, present or
     future, imposed by, under or pursuant to Environmental Laws, including,
     without limitation, all Losses related to Remedial Actions, and all fees,
     disbursements and expenses of counsel, experts, personnel and consultants
     based on, arising out of or otherwise in respect of:  (i) the ownership or
     operation of the Fuel Cell Business or the Assets; and (ii) expenditures
     necessary to cause the Licensed Premises or any aspect of the Fuel Cell
     Business to be in compliance with any and all requirements of Environmental
     Laws as of the Contribution Date.












<PAGE>
          "Environmental Permits" means any federal, state and local permit,
     license, registration, consent, order, administrative consent order,
     certificate, approval or other authorization with respect to MTI
     necessary for the conduct of the Fuel Cell Business as currently
     conducted or previously conducted under any Environmental Law. 

          "ERISA" means the Employee Retirement Income Security Act of 1974,
     as amended. 

          "Excluded Assets" is defined in Section 1.2. 

          "Excluded Liabilities" is defined in Section 1.5. 

          "Financial Statements" means each of the financial statements required
     to be provided by MTI under Section 3.1(d). 

          "Fuel Cell Business" means the business acquired or to be acquired
     by the Company pursuant to this Agreement, consisting of the Assets and
     the Assumed Liabilities, but not including the Excluded Assets or
     Excluded Liabilities.

          "Governmental Approval" means any Consent of, with, from or to any
     Governmental Authority. 

          "Governmental Authority" means any nation or government, any state or
     other political subdivision thereof, any entity exercising executive,
     legislative, judicial, regulatory or administrative functions of or
     pertaining to government, including, without limitation, any government
     authority, agency, department, board, commission or instrumentality of
     the United States, any State of the United States or any political
     subdivision thereof, and any tribunal or arbitrator(s) of competent
     jurisdiction, and any self-regulatory organization. 

          "Hazardous Substances" means any substance that: (i) is or contains
     asbestos, urea formaldehyde foam insulation, polychlorinated biphenyls,
     petroleum or petroleum derived substances or wastes, radon gas or related
     materials; (ii) requires investigation, removal or remediation under any
     Environmental Law, or is defined, listed or identified as a "hazardous
     waste" or "hazardous substance" thereunder; or (iii) is toxic, explosive,
     corrosive, flammable, infectious, radioactive, carcinogenic, mutagenic,
     or otherwise hazardous and is regulated by any Governmental Authority
     or Environmental Law. 

          "Intellectual Property Assets" is defined in Section 1.1(h). 

          "Intellectual Property Rights" shall refer collectively and singularly
     to Patent Rights, Copyrights, Trademark Rights, Trade Secrets and Know












<PAGE>
     How, except to the extent that MTI expressly indicates on the attached
     schedules that it has transferred such Intellectual Property Rights.  

          "Inventories" is defined in Section 3.1(n). 

          "IRS" means the Internal Revenue Service. 

          "Know How" shall mean all drawings, prototypes, computer files (in
     object and source code) and other such tangible materials.  

          "Knowledge" means actual knowledge after due inquiry and
     investigation.

          "Licensed Premises" is [to be provided by MTI].  

          "Lien" means any mortgage, pledge, hypothecation, right of others,
     claim, security interest, encumbrance, lease, sublease, license,
     occupancy agreement, adverse claim or interest, easement, covenant,
     encroachment, burden, title defect, title retention agreement, voting
     trust agreement, interest, equity option, lien, right of first refusal,
     charge or other restrictions or limitations of any nature whatsoever,
     including, but not limited to, such as may arise under any Contracts. 

          "Losses" is defined as any and all claims, liabilities, obligations,
     losses, fines, costs, royalties, proceedings, deficiencies or damages
     (whether absolute, accrued, conditional or otherwise and whether or not
     resulting from third party claims), including out-of-pocket expenses and
     reasonable attorneys' and accountants' fees incurred in the investigation
     or defense of any of the same or in asserting any of their respective
     rights.

          "MTI" means Mechanical Technology Corporation, a New York corporation.
          
          "Moral Rights" shall mean all rights of paternity or integrity
     relating to each Work including, without limitation, all rights to be
     identified as the author of the Work(s), to object to the modification
     of any of the Work, and any similar rights existing under the judicial
     or statutory laws of any country in the world or any treaty, regardless
     of whether such right is denominated or generally referred to as
     moral rights.  

          "Other Agreements" means the agreements and other documents and
     instruments described in Section 4.   

          "Patent Rights" shall mean all Letters Patent, together with all
     foreign Letters Patent corresponding thereto listed on Schedule 9 - Patent
     Rights, further together with, foreign or domestic patent applications
     corresponding thereto, excluding those listed on Schedule 9 - Patent Rights
     and related thereto; patentable rights, excluding those listed on










<PAGE>
     Schedule 9 - Patent Rights and related thereto, whether or not such
     rights are registered, or applications for registration have been filed
     with any Governmental Authority, and all proprietary:  drawings, plans;
     designs; quality control; machine and mechanical specifications;
     engineering data; production techniques; installation data; application
     data; flow charts; logic diagrams relating to the Patent, and any other
     foreign or domestic patentable rights that may be obtained in respect
     thereof; and any foreign or domestic reissues, reexaminations certificates,
     extensions, substitutions, confirmations, divisions, and continuations or
     continuations-in-part of any of the foregoing.  

          "Permitted Liens" means (i) Liens for Taxes not yet due and payable or
     which are being contested in good faith and by appropriate proceedings if
     adequate reserves with respect thereto are maintained on MTI's books in
     accordance with GAAP; or (ii) Liens that, individually and in the
     aggregate, do not and would not materially detract from the value of any
     of the Assets or interfere with the conduct of the Fuel Cell Business by
     MTI or the Company or as listed in Schedule 9 - Permitted Liens.  

          "Person" means any natural person, firm, partnership, association,
     corporation, company, trust, business trust, Governmental Authority or
     other entity.

          "Release" means any releasing, disposing, discharging, injecting,
     spilling, leaking, leaching, pumping, dumping, emitting, escaping,
     emptying, seeping, dispersal, migration, transporting, placing and the
     like, including without limitation, the moving of any materials through,
     into or upon, any land, soil, surface water, ground water or air, or
     otherwise entering into the environment.

          "Remedial Action" means all actions required to (i) clean up, remove,
     treat or in any other way remediate any Hazardous Substances; (ii) prevent
     the release of Hazardous Substances so that they do not migrate or
     endanger or threaten to endanger public health or welfare or the
     environment; or (iii) perform studies, investigations and care related to
     any such Hazardous Substances.

          "Tax" means any federal, state, provincial, local, foreign or other
     income, alternative, minimum, accumulated earnings, personal holding
     company, franchise, capital stock, net worth, capital, profits, windfall
     profits, gross receipts, value added, sales, use, goods and serves, excise,
     customs duties, transfer, conveyance, mortgage, registration, stamp,
     documentary, recording, premium, severance, environmental (including taxes
     under Section 59A of the Code), real property, personal property, ad
     valorem, intangibles, rent, occupancy, license, occupational, employment,
     unemployment insurance, social security, disability, workers' compensation,
     payroll, health care, withholding, estimated or assessment or deficiencies
     thereof (including all interest and penalties thereon and additions thereto
     whether dispute or not). 










<PAGE>
          "Tax Return" means any return, report, declarations, form, claim for
     refund or information return or statement relating to Taxes, including any
     schedule or attachment thereto, and including any amendment thereof.
     
          "Trade Secrets" shall mean methods, processes, know how and all other
     proprietary data and information relating to MTI's conduct of the Fuel Cell
     Business, products and/or services, including customer lists and business
     methods.

          "Trademark Rights" shall mean the foreign or domestically registered
     trademarks described on Schedule 9 - Trademark Rights, which is attached
     hereto and made a part hereof and constitutes all of the foreign or
     domestically registered trademarks now held or at any time held by MTI and
     used in the Fuel Cell Business, any trademark applications (state of
     federal), common law trademark rights, and all other trademarks or service
     marks now owned or ever owned by MTI and used at any time in connection
     with its Fuel Cell Business, including the sale and promotion of its goods
     and services, together with the goodwill of the business relating to such
     trademarks or service marks.

          "Transfer Taxes" is defined in Section 5.3. 

          "Treasury Regulations" means the regulations prescribed pursuant to
     the Code.

          "Withholding Taxes" is defined in Section 3.1(f)(i).  

10.  Miscellaneous. 

          10.1 Survival of Representations and Warranties, etc.  The
     representations and warranties contained in this Agreement shall survive
     the execution and delivery of this Agreement, any examination by or on
     behalf of the parties hereto and the completion of the transactions
     contemplated herein, but only to the extent of the time periods specified
     below:
               (a)  Except as set forth in clause (b) below, the representations
          and warranties contained in Section 3.1 shall survive until the
          earlier of (i) an initial public offering of equity interests in the
          Company and in accordance with the requirements of the Securities Act
          of 1933 or (ii) for a period of five (5) years following the
          Contribution Date.

               (b)  The representations and warranties of MTI contained in
          Section 3.1(f) shall survive as to any Tax covered by such
          representations and warranties for so long as any statute of
          limitations for such Tax remains open, in whole or in part, including
          without limitation by reason of waiver of such statute of
          limitations.











<PAGE>
     All other agreements, covenants and obligations of the parties hereunder
     shall survive the execution and delivery of this Agreement and the
     completion of the transactions hereunder.  

          10.2 Expenses.  Except as otherwise expressly provided herein, the
     Company and MTI shall each pay their own expenses in connection with this
     Agreement and the transactions contemplated hereby.  

          10.3 Severability.  If any provision of this Agreement, including any
     phrase, sentence, clause, Section or subsection is inoperative or
     unenforceable for any  reason, such circumstances shall not have the effect
     of rendering the provision in question inoperative or unenforceable in any
     other case or circumstance, or of rendering any other provision or
     provisions herein contained invalid, inoperative, or unenforceable to any
     extent whatsoever.

          10.4 Notices.  All notices, requests, demands, waivers and other
     communications required or permitted to be given under this Agreement shall
     be in writing and shall be deemed to have been duly given if (a) delivered
     personally, (b) mailed by first-class, registered or certified mail, return
     receipt requested, postage prepaid, or (c) sent by next-day or overnight
     mail or delivery:

              (i)  if to the Company to, 

                   Gary Mittleman
                   968 Albany-Shaker Road
                   Latham, New York 12110

                   with a copy to: 

                   Chris Nern 
                   2000 Second Avenue 
                   Detroit, Michigan  48226

                   Ananth G. Ananthasubramaniam
                   2000 Second Avenue 
                   Detroit, Michigan  48226

                   Cathy Hill
                   Whiteman Osterman & Hanna
                   One Commerce Plaza 
                   Albany, New York 12260
















<PAGE>
              (ii) if to MTI, 

                   Marty Mastriani 
                   Mechanical Technology Inc.
                   968 Albany-Shaker Road
                   Latham, New York 12110

                   with a copy to: 

                   Cathy Hill
                   Whiteman Osterman & Hanna
                   One Commerce Plaza 
                   Albany, New York 12260

     or, in each case, at such other address as may be specified in writing to
     the other parties hereto.  

          Such notices or other communications shall be deemed received (a) on
     the date delivered, if delivered personally, (b) three business days after
     being deposited with the U.S. Post Office, if sent by registered or
     certified mail, or (c) on the next business day, if sent by Federal
     Express or similar overnight courier.

          10.5 Entire Agreement.  This Agreement (including the Schedules) and
     the Other Agreements (when executed and delivered) constitute the entire
     agreement and supersede all prior agreements and understandings, both
     written and oral, between the parties with respect to the subject matter
     hereof.

          10.6 Counterparts.  This Agreement may be executed in several
     counterparts, each of which shall be deemed an original and all of which
     shall together constitute one and the same instrument. 

          10.7 Governing Law, etc.  This Agreement shall be governed in all
     respects, including as to validity, interpretation and effect, by the
     internal laws of the State of Michigan, without giving effect to the
     conflict of laws rules thereof. The Company and MTI hereby irrevocably
     submit to the jurisdiction of the courts of the State of Michigan and the
     Federal courts of the United States of America located in the State of
     Michigan in respect of the interpretation and enforcement of the provisions
     of this Agreement and of the documents referred to in this Agreement, and
     hereby waive, and agree not to assert, as a defense in any action, suit or
     proceeding for the interpretation or enforcement hereof or of any such
     document, that it is not subject thereto or that such action, suite or
     proceeding may not be brought or is not maintainable in said courts or that
     the venue thereof or that such action, suit or proceeding may not be
     brought or is not maintainable in said courts or that the venue thereof may
     not be appropriate or that this Agreement or any of such document may not











<PAGE>
     be enforced in or by said courts, and the parties hereto irrevocably agree
     that all claims with respect to such action or proceeding shall be heard
     and determined in such a Michigan or Federal court.  The Company and MTI
     hereby consent to and grant any such court jurisdiction over the person of
     such parties and over the subject matter of any such dispute and agree that
     mailing of process or other papers in connection with any such action or
     proceeding in the manner provided in Section 8.4 or in such other manner
     as may be permitted by law, shall be valid and sufficient service thereof.

          10.8 Binding Effect.  This Agreement shall be binding upon and inure
     to the benefit of the parties hereto and their respect heirs, successors
     and permitted assigns. 

          10.9 No Third Party Beneficiaries.  Nothing in this Agreement shall
     confer any rights upon any person or entity other than the parties hereto
     and their respective heirs, successors and permitted assigns. 

          10.10 Amendment; Waivers, etc. No amendment, modification or discharge
     of this Agreement, and no waiver hereunder, shall be valid or binding
     unless set forth in writing and duly executed by the party against whom
     enforcement of the amendment, modification, discharge or waiver is sought.
     Any such waiver shall constitute a waiver only with respect to the specific
     matter described in such writing and shall in no way impair the rights of
     the party granting such waiver in any other respect or at any other time.
     Neither the waiver by any of the parties hereto of a breach of or a default
     under any of the provisions of this Agreement, nor the failure by any of
     the parties, on one or more occasions, to enforce any of the provisions
     of this Agreement or to exercise any right or privilege hereunder, shall be
     construed as a waiver of any other breach or default of a similar nature,
     or as a waiver of any of such provisions, rights or privileges hereunder.
     The rights and remedies herein provided are cumulative and are not
     exclusive of any rights or remedies that any party may otherwise have at
     law or in equity.

          10.11 Further Assurances.  In addition to MTI's obligations under
     Section 1.3, each of the parties shall execute such documents and other
     papers and perform such further acts as may be reasonably required or
     desireable to carry out the provisions hereof and the transactions
     contemplated hereby.




















<PAGE>
    IN WITNESS WHEREOF, the parties hereto have executed the foregoing documents
as of the date and year first above written. 

                        MECHANICAL TECHNOLOGY INCORPORATED 
                        (a New York corporation) 


                        By:  /s/ Martin Mastroianni
                           __________________________________

                        Its: President
                            _________________________________

                                                "MTI" 

                        PLUG POWER, L.L.C. 
                        (a Delaware limited liability company) 


                        By: /s/ Larry Garberding
                           __________________________________

                        Its: Executive Vice-President
                            _________________________________

                                                "Company" 

































<PAGE>
SCHEDULE 1.1(a) -- Assets

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 1.1(b) -- Inventory

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 1.1(d) -- Rights of MTI

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 1.1(e) - Credits, Prepaid Expenses, Deferred Charges, Advance 
Payments, Security Deposits and Pre-Paid Items

None

<PAGE>
SCHEDULE 1.1(g) -- Intellectual Property  

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 1.1(h) -- Interests in Government Contracts

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 1.1(l) -- Employee and Independent 

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 1.2 -- Excluded Assets

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 1.4 - Assumed Liabilities

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 2.1(f) -- Employment Agreements
      
	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(b)(ii) -- States in Which MTI is Qualified to do Business


	Maryland 

	New York

<PAGE>
SCHEDULE 3.1(c) -- Required Consents and Government Approvals

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(d) -- Contributed Business Balance Sheet

Attached is a Contributed Business Balance Sheet as of 6/25/97




















































<PAGE>
                       Mechanical Technology Inc.
                          Fuel Cell Activity
               Proforma Statement of New Assets at 5/23/97

                                               Total          To Plug Power
Assets                                        --------        -------------
        Cash                                 $       0          $       0

(1) -   Accounts Receivable                    348,794                  0

        Inventory                                   77                 77

	Property, Plant & Equipment
           at Acquisition Cost                 463,532            463,532

        Accumulated Depreciation               (82,600)           (82,600)
                                               -------            -------
        Net Property, Plant, and Equipment     380,932            380,932
                                               -------            -------
        Total Assets                           729,803            381,009
        
Liabilities

(2) -   Accounts Payable                        52,191             10,585

        Notes Payable                           18,384             18,384
        
	Accrued Vacation

                Base Vacation                   49,141             24,571
                Purchased Vacation               2,150              2,150
                
(3) -   Accrued FSA                              2,662              2,662
                                               -------            -------
        Total Liabilities                      124,528             58,352

                                               -------            -------
Net Assets                                   $ 605,275          $ 322,658
                                               =======            =======
(1) -   Retained by MTI

(2) -   Will transfer payables associated with transferred assets, materials,
        and supplies.

	For example, per the attached list, laboratory expenditures of $430.7
        thousand had been authorized and $389 thousand recorded, as of 5/23/97.
        
	Payables associated with the $389 thousand expenditure will be
        transferred.  Additional payables, including but not limited to
        authorized but unexpended Plan Appropriations, will also transfer.
        
(3) -   Subject to IRS regulations that may inhibit transfer of this liability.

Backlog                                      $ 657,000          $ 657,000
                                               =======            =======




<PAGE>
SCHEDULE 3.1(e) -- Liabilities Relating to Business

See Schedule 1.4

See Schedule 3.1(g)

<PAGE>
SCHEDULE 3.1(f)(i) -- Taxes Contested in Good Faith

MTI pays a variety (sales, use franchise, property, and income, etc.) of 
taxes at various and numerous levels of government including, but not 
limited to, school, town, county, state, and federal.

In the ordinary course of business MTI is subject to audit by the various 
taxing authorities.

MTI is currently involved in settling, in good faith, both New York State 
corporation franchise tax and sales and use tax for several open years.

MTI also has contested Property taxes (Town of Colonie) for 1995/96 and 
1996/97.

<PAGE>
SCHEDULE 3.1(f)(ii) -- Extension of Assessment on Taxes

In connection with both New York State corporation franchise tax and sales 
and use tax audits, MTI has consented to extending the period of limitation.

<PAGE>
SCHEDULE 3.1(f)(iii) -- Disclosures Regarding Taxes and Withholding Taxes

See Schedule 3.1(f)(i) and Schedule 3.1 (f)(ii)

<PAGE>
SCHEDULE 3.1(f)(iv) -- Litigation or Administrative Appeals Pending In 
Connection with Covered Taxes

See Schedule 3.1(f)(i) and Schedule 3.1(f)(ii)

<PAGE>
SCHEDULE 3.1(g) -- Changes in Conduct of Business Since Audited Balance 
Sheet

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(h) -- Litigation, Citations, Fines or Penalties

None

<PAGE>
SCHEDULE 3.1(i)(i) -- Violations of Applicable Laws

None

<PAGE>
SCHEDULE 3.1(i)(ii) -- Governmental Approval and Consents Required for 
Conduct of the Business

1.	See Schedule 1.1(h)

2.	See Schedule 3.1(c)

3.	See Schedule 3.1(u)(i)

4.	Received Approvals only form the Chase Manhattan Bank, NYSERDA and 
        LANL.

<PAGE>
SCHEDULE 3.1(i)(iii) -- Contracts with Governmental Authority

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(i)(iv) -- Disclosures Regarding Business


1.  The Committee on Appropriations, Subcommittee on Interior and Related
Agencies, has completed a "mark-up" of the budget that includes the DOE 
Office of Advanced Automobile Technologies Programs, and has moved $10 
Million form the fuel cell area to the heavy duty diesel area.  This 
action would reduce the fuel cell effort form $29.6 Million to $19.6 
Million.  It is the understanding of many that this action is counter 
to DOE plans and results form the interests of the diesel engine 
technology community.  it is difficult to understand the wisdom of 
moving money to the giant diesel engine industry with its mature 
technology while depriving the embryonic fuel cell industry with its 
potential for break-through commercial technology that can rival the 
emergence of the PC industry form the mainframe computer.

2.  Phase II of the Ford contract will not be completed within the current
limits of the contract.  -- Please the Addendum to Schedule 3.1(g)

<PAGE>
SCHEDULE 3.1(j) -- Operation of the Business

MTI has conducted the Business only through MTI.  There are no exceptions.

<PAGE>
SCHEDULE 3.1(k) -- Permitted Liens


1.	All government property as set forth on Schedule 1.1(a), items in 
Government owned property room, Ford Phase I material, and Ford Phase 
II material is owned exclusively by the Department of Energy and used 
by MTI in connection with research and development activities.

2	Air Compressor Engineering lien, as assigned to LCA.

3.	Limitations on Intellectual Property Rights, as set forth in Schedules 
3.1(p)(iii)-(iv)

<PAGE>
SCHEDULE 3.1(l)(i) -- Contracts

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(l)(iii) -- Existing Default Under Contracts

None

<PAGE>
SCHEDULE 3.1(m) -- Territorial Restrictions

See Schedule 1.1(h)

<PAGE>
SCHEDULE 3.1(o) -- Suppliers to Fuel Cell Business

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(p)(i) -- Government Contracts

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(p)(iii) -- Exceptions to Patent Rights

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(p)(iv) -- Third Party and Government Rights

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(r)(i) -- Intellectual Property Owned by MTI

	CONFIDENTIAL TREATMENT REQUESTED

<PAGE>
SCHEDULE 3.1(r)(ii) -- Infringement by Third Party of MTI Intellectual 
Property Rights

None

<PAGE>
SCHEDULE 3.1(r)(ii) -- Infringement of Third Party Intellectual Property 
Rights

None

<PAGE>
SCHEDULE 3.1(r)(v) -- Confidential Information

        CONFIDENTIAL TREATMENT REQUESTED











<PAGE>
SCHEDULE 3.1(s) -- Insurance

This Schedule contains a complete list of all insurance policies maintained 
by MTI.  A summary description of each policy is attached.  No claims have 
been made by MTI's Fuel Cell Business during the past two years.


         Coverage                                 Claims (Past 2 Years)
         --------                                 ---------------------
Directors & Officers Liability                            None

Excess Directors & Officers Liability                     None

Property & General Liability                              None

Air Craft Products Liability                              None

Workers Compensation                                      None

Commercial Umbrella                                       None

ERISA Bond                                                None

Commercial Crime Policy                                   None

Commercial Auto                                           None

California Tax Bond                                       None

Open Cargo Policy                                         None





























<PAGE>
SCHEDULE 3.1(u)(iii) -- Disclosure of Information Regarding Environmental 
Conditions Relating to the Business, Assets or leased Property

See Attached Phase I (Hard Copy Previously Provided)

<PAGE>
SCHEDULE 3.1 (u)(iv) -- Other

None

<PAGE>
SCHEDULE 3.1(v) -- Employees of MTI

        CONFIDENTIAL TREATMENT REQUESTED













































<PAGE>
SCHEDULE 3.1(w) -- Employee Benefit Plans

Existing MTI Employee Benefit Plans are listed as follows:

1. 401(k) Savings Plan (Administered by Mass Mutual)

2. Medical Insurance (Four carriers are currently available at the 
   employees option)

           -       Capital District Physician's Health Plan (CDPHP)
           -       Blue Shield of Northeastern New York
           -       Mohawk Valley Physicians (MVP)
           -       Community Health Plan (CHP)

3.  Dental Insurance (Offered through Phoenix Home Life.  Employees with 
    CHP medical coverage may select CHP Dental)

4.  Long Term Disability Insurance (Policy with UNUM)

5.  Short Term Disability Insurance (Policy with Phoenix Home Life)

6.  Flexible Spending Account (Administered by Lawrence Healthcare)

7.  Life Insurance (Policy with Mass Mutual)

8.  Vacation

    -       Earned Vacation
    -       Vacation Purchase

9.  Short Term Personal Illness

10. Extended Personal Illness

11. Personal Business Time

12. Voluntary Furlough Program

13. Technology Division Profit Sharing Plan

14. Stock Incentive Plan

             Profit Sharing Plan
             Technology Division
             1996 Fiscal Year


Effective:		Fiscal Year 1995

Eligibility:

   *  All full time employees and scheduled employees who work more than 
1000 hours.  Distributions made on basis of individual salary as a 
percentage of total salary.

   *  New hires may participate on a pro rata share basis at the 
discretion of management at the time of hiring.

   *  Must be on the payroll on 9/30/96 to receive distribution.
<PAGE>
   *  Non-discretionary.

   *  Based upon earnings before taxes, but after corporate assessment.

Formula:

	Earnings < Budget		No Distribution

	Earnings = Budget		10% Payment to Pool

	Earnings > Budget		10% of amount = budget, +
					15% of any additional earnings

Impact:

	Budget = $200,000 income pre-tax

                   Earnings                     Distribution
                   --------                     ------------
                  $ 200,000                       $  20,000
                    300,000                          35,000
                    500,000                          65,000

Comments:

   *  Plan is identical to 1995 approved plan

































<PAGE>
SCHEDULE 3.1(x) -- Confidentiality

None

<PAGE>
SCHEDULE 3.1(y) -- Guarantees By Third Parties

Guaranty dated as of October 31, 1995, by MASCO Corporation, a Delaware 
corporation, located at 21001 Van Born Road, Taylor, Michigan 48180, in 
favor of Chemical Bank, to secure payment of a $4,000,000 Promissory Note 
dated October 31, 1995 by Mechanical Technology Incorporated in favor of 
Chemical Bank.

<PAGE>
SCHEDULE 9 -- COPYRIGHT, PATENT AND TRADEMARK RIGHTS

See Schedule 1.1(g)


<PAGE>



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