GREENMAN TECHNOLOGIES INC
8-K, 1997-01-29
PLASTICS PRODUCTS, NEC
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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT


           Pursuant to Section 13 or 15(d) of the Securities Exchange
                                   Act of 1934


                Date of Report (Date of earliest event reported):
                      January 29, 1997 (January 14, 1997)



                           GreenMan Technologies, Inc.
             (Exact name of registrant as specified in its charter)



        Delaware                        1-13776                  71-0724248
(State or other jurisdiction        (Commission                 (IRS Employer
    of incorporation)                 File Number)             Identification
                                                                   Number)


           7 Kimball Lane, Building A, Lynnfield, Massachusetts     01940
               (Address of principal executive offices)          (Zip Code)



       Registrant's telephone number, including area code: (617) 224-2411




          (Former name or former address, if changed since last report)



                                                Total number of pages: 3

                                                     

<PAGE>



Item 1. Changes in Control of Registrant

         Not Applicable

Item 2. Acquisition or Disposition of Assets

         Not Applicable

Item 3. Bankruptcy or Receivership

         Not Applicable

Item 4. Changes in Registrant's Certifying Accountant

         Not Applicable

Item 5. Other Events

         Not Applicable

Item 6. Resignation of Registrant's Directors

         Not Applicable

Item 7. Financial Statements and Exhibits

         Not Applicable

Item 8. Change in Fiscal Year

         Not Applicable

Item 9. Sale of Equity Securities Pursuant to Regulation S

         Pursuant to the terms of a Confidential Term Sheet, dated as of October
15, 1996 and amended by supplements,  dated October 28, 1996,  December 15, 1996
and January 8, 1997, and in reliance upon the transaction exemptions afforded by
Regulation D ("Regulation  D") and Regulation S ("Regulation  S") as promulgated
by the Securities and Exchange Commission,  under the Securities Act of 1933, as
amended, GreenMan Technologies,  Inc. (the "Company") authorized the sale of its
7% Convertible  Subordinated  Debentures  (the  "Debentures")  up to the maximum
aggregate  principal  amount of $3,000,000  to both U.S. and non-U.S.  residents
(the  "Offering").  From January 14 through  January 17, 1997,  the Company sold
Debentures in the aggregate  principal amount of $1,525,000 to one U.S. investor
and six  non-U.S.  investors.  Although  the  Debentures  were sold  pursuant to
Regulation  D,  each  of the  non-U.S.  purchasers  in  the  Offering  signed  a
subscription  agreement  confirming  its  compliance  with  Rules 902 and 903 of
Regulation S.

         The Debentures are convertible, at any time after March 25, 1997 and on
or before one (1) year from the date of issuance,  into shares of the  Company's
common  stock,  $.01 par value per share (the "Common  Stock"),  at a conversion
price for each share of Common Stock equal to the lower of (a) the closing bid

                                      - 2 -

<PAGE>

price for the Common Stock on the date of issuance of the  Debenture as reported
by the National  Association of Securities  Dealers  Automated  Quotation System
("NASDAQ")  or the closing bid price in the over-the  counter  market or, in the
event the Common Stock is listed on a stock exchange,  the closing price on such
exchange, as reported to the Wall Street Journal or (b) seventy percent (70%) of
the Market Price of the Common Stock. As defined in the Debentures,  the "Market
Price"  shall be the  closing  bid price of the Common  Stock on the trading day
immediately  preceding the date on which such Debenture is converted into Common
Stock, as reported by NASDAQ,  or the closing bid price in the over-the  counter
market or, in the event the Common Stock is listed on a stock exchange, the fair
market value per share shall be the average  closing price on the  exchange,  as
reported  to  the  Wall  Street  Journal.  The  foregoing  notwithstanding,  the
outstanding  principal amount of the Debentures will be automatically  converted
into shares of Common Stock on January 17, 1998.

         In conjunction  with the sale of the Debentures,  the Company issued to
each  purchaser a warrant to purchase  one share of Common Stock for every $2.00
of principal of Debentures  purchased by such investor at an exercise  price per
share of $1.25 (the "Warrants").  Each Warrant expires one year from the date of
issuance thereof.

         H.J.  Meyers & Co.,  Inc.  acted as  placement  agent  (the  "Placement
Agent") in the sale of the Debentures and the Warrants and received an aggregate
placement fee equal to $152,500.  In addition,  the Placement  Agent received an
aggregate  of  $45,750  as a  non-accountable  expense  allowance.  Two  foreign
entities that assisted in identifying the non-U.S.  investors  received warrants
to purchase an aggregate  of 450,000  shares of Common Stock at $1.25 per share.
Each such warrant expires one year from the date of issuance thereof.

         Pursuant to the terms of Subscription Agreement between the Company and
each of the  purchasers,  the Company has agreed to  register  the Common  Stock
issuable  upon  conversion of the  Debentures  and exercise of the Warrants on a
Form S-3  registration  statement on or before March 27, 1997.  In the event the
Form S-3  registration  statement  is not  declared  effective on or before such
date,  all  non-U.S.  investors  will be  entitled  to resell the  Common  Stock
issuable upon  conversion of the Debentures and Warrants  pursuant to Regulation
S.

Exhibits

  10.1   Form of Subscription Agreement executed by U.S. and non-U.S. Investors
  10.2   Form of Debenture
  10.3   Form of Warrant


                                   SIGNATURES

         Pursuant to the  requirements  of the  Securities  and  Exchange Act of
1934,  the  Registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized.

                                              GREENMAN TECHNOLOGIES, INC.



                                              By:  /s/ Joseph E. Levangie
                                                    Joseph E. Levangie
                                                    Chief Financial Officer

Date:  January 29, 1997

                                      - 3 -

                     Amount of Debentures Subscribed for: $
                           Number of Warrants Issued:

                           GREENMAN TECHNOLOGIES, INC.


                             SUBSCRIPTION AGREEMENT

                                       for

                   The Purchase of 7% Convertible Subordinated
                     Debentures and Warrants of the Company


A.  The  undersigned  hereby  subscribes  for and  agrees  to  purchase  $ of 7%
Convertible  Subordinated Debentures and warrants to purchase ___________ shares
of common stock of GREENMAN  TECHNOLOGIES,  INC., a  corporation  organized  and
existing under the laws of the State of Delaware (the "Company"). The Debentures
being  offered are more fully  described in the  Confidential  Term Sheet of the
Company dated October 15, 1996 as amended by Supplements dated October 28, 1996,
December  15,  1996 and  January 8, 1997 and the  Exhibits  thereto,  (the "Term
Sheet").  The warrants being issued pursuant to the provisions of the Term Sheet
(the "Warrants") shall each be exercisable for one share of the Company's common
stock,  $.01 par value per share,  at an  exercise  price of $1.25 per share and
shall be exercisable for a period of one year commencing on January __, 1997 and
expiring at 5:00 pm Eastern  Standard Time on January __, 1998. The  undersigned
shall  receive  one  Warrant  for each $2.00  invested  in the  Company  through
purchase of the Debentures. The undersigned agrees to pay a purchase price equal
to the face value of the Debenture  purchased.  The undersigned herewith tenders
to the Company the entire amount of such  purchase  price by wire transfer or by
check made payable to the order of Barry Globerman, Esq.

B. The  undersigned  acknowledges  that neither the Warrants nor the  Debentures
(the  "Securities")  have been  registered  under the Securities Act of 1933, as
amended  (the  "Act"),  or the  securities  laws of any state (i) that absent an
exemption or registration  under the Act, the Securities  cannot be resold,  and
(ii) the Securities are being offered for sale in reliance upon  exemptions from
registration  contained  in the Act and  applicable  state  laws,  and  that the
Company's  reliance upon such exemption is based in part upon the  undersigned's
representations,  warranties  and  agreements  contained  in  this  Subscription
Agreement.

         The offering (the  "Offering")  of Securities  shall  terminate on such
date as may be  determined  by the Company and the  Placement  Agent (as defined
herein) in their discretion (the "Termination  Date"),  unless sooner terminated
by reason of the sale of all the Securities  prior to such time. The Company and
the Placement Agent have the right, in their discretion, to accept or reject any
subscription.

                                                        

<PAGE>



C.  Anything  herein to the  contrary  notwithstanding,  the  Company  agrees to
register the shares of Common Stock issuable upon  conversion or exercise of the
Securities in accordance with the following terms and conditions:

         (1) The  Company  will  within  thirty  (30)  days of the  date of this
Agreement  file  pursuant  to the Act a  registration  statement  on Form S-3 or
equivalent  form  with  respect  to  the  Company  Common  Stock  issuable  upon
conversion  or exercise  of the  Securities,  and the Company  will use its best
efforts to cause such  registration to become and remain  effective on or before
March 26, 1997  (including  the taking of such steps as are  necessary to obtain
the removal of any stop order),  provided that the undersigned shall furnish the
Company with appropriate  information in connection therewith as the Company may
reasonably  request  in  writing.  All costs and  expenses  of the  registration
statement shall be borne by the Company,  except that the undersigned shall bear
the fees of his or her own counsel and any underwriting discounts or commissions
applicable  to any of the  securities  sold by them.  The Company  shall  supply
prospectuses,  and such other  documents as the undersigned may request in order
to facilitate  the public sale or other  disposition of the Company Common Stock
and use its best efforts to register and qualify any of the Company Common Stock
for sale in such states as the undersigned designates.

         (2) The Company will  indemnify  and hold  harmless  each holder of the
securities covered by such registration statement, amendment or supplement (such
holder being hereinafter called the "Distributing  Holder"), and each person, if
any, who controls (within the meaning of the Act) the Distributing  Holder,  and
each  underwriter  (within the meaning of the Act) of such  securities  and each
person,  if  any,  who  controls  (within  the  meaning  of the  Act)  any  such
underwriter,  against  any  losses,  claims,  damages or  liabilities,  joint or
several,  to which the Distributing  Holder,  any such controlling person or any
such underwriter may become subject, under the Act or otherwise, insofar as such
losses,  claims,  damages, or liabilities,  or actions in respect thereof, arise
out of or are based upon any untrue statement or alleged untrue statement or any
material fact contained in any such  registration  statement or any  preliminary
prospectus or final  prospectus  constituting a part thereof or any amendment or
supplement  thereto,  or arise  out of or are  based  upon the  omission  or the
alleged  omission to the state  therein of a material fact required to be stated
therein or necessary to make the statements therein not misleading.  The Company
shall  reimburse  the  Distributing   Holder  or  such  controlling   person  or
underwriter in connection with  investigating or defending any such loss, claim,
damage,  liability or action,  provided,  however,  that the Company will not be
liable in any such  case to the  extent  that any such  loss,  claim,  damage or
liability  arises out of or is based upon  untrue  statement  or alleged  untrue
statement or omission or alleged omission made in said  registration  statement,
said  preliminary  prospectus,  said  final  prospectus  or  said  amendment  or
supplement in reliance upon and in conformity with written information furnished
by such  Distributing  Holder or any other  Distributing  Holder  for use in the
preparation thereof.

         (3) The  Distributing  Holder  will  indemnify  and hold  harmless  the
Company,  each of its  directors,  each of its  officers  who have  signed  said
registration  statement and such  amendments and supplements  thereto,  and each
person, if any, who controls the Company (within  the  meaning  of the  Act) 

                                       -2-

<PAGE>



against any losses, claims,  damages or liabilities,  joint or several, to which
the  Company  or any such  director,  officer or  controlling  person may become
subject, under the Act or otherwise,  insofar as such losses, claims, damages or
liabilities,  or actions in respect thereof,  arise out of or are based upon (i)
any  untrue  statement  of any  material  fact  contained  in said  registration
statement, said preliminary prospectus, said final prospectus, or said amendment
or  supplement,  or arise out of or are based upon the  omission  or the alleged
omission  to state  therein a material  fact  required  to be stated  therein or
necessary to make the  statements  therein not  misleading,  in each case to the
extent,  but only to the  extent,  that such loss,  claim,  damage or  liability
arises out of or is based upon an untrue  statement or alleged untrue  statement
or omission or alleged omission made in said registration statement,  said final
prospectus  or said  amendment or  supplement in reliance upon and in conformity
with written  information  furnished by such Distributing  Holder for use in the
preparation  thereof  or (ii) the  Distributing  Holder's  failure  to deliver a
prospectus as required under  applicable  federal or state  securities laws. The
Distributing  Holders shall reimburse the Company or any such director,  officer
or  controlling  person for any legal or other expenses  reasonably  incurred by
them in connection with investigating or defending any such loss, claim, damage,
liability or action.

         (4) Promptly after receipt by an indemnified party under this Section C
of notice of the commencement of any action,  such indemnified  party will, if a
claim in respect thereof is to be made against any indemnifying  party, give the
indemnifying  party notice of the commencement  thereof,  but the omission so to
notify the  indemnifying  party will not relieve it from any liability  which it
may have to any indemnified party otherwise than under this Section C.

         (5) In case any such action is brought against any  indemnified  party,
and  it  notified  an  indemnifying  party  of  the  commencement  thereof,  the
indemnifying party will be entitled to participate in and, to the extent that it
may wish,  jointly with any other  indemnifying  party  similarly  notified,  to
assume  the  defense  thereof,  with  counsel  reasonably  satisfactory  to such
indemnified  party,  and  after  notice  from  the  indemnifying  party  to such
indemnified  party  of its  election  so to  assume  the  defense  thereof,  the
indemnifying  party  will not be liable to such  indemnified  party  under  this
Section  C for  any  legal  or  other  expenses  subsequently  incurred  by such
indemnified  party in connection  with the defense thereof other than reasonable
costs of investigation.

         (6) The obligations of the Company under this Section C to register the
Company  Common Stock shall expire and terminate on the earlier of (i) two years
from the Termination Date or (ii) at such time as the Distributing  Holder shall
be entitled to sell such securities  without  restriction and without a need for
the  filing  of a  registration  statement  under  the Act,  including,  without
limitation, for any resales of "Restricted Securities" made pursuant to Rule 144
as  promulgated by the SEC, or a sale made pursuant to Sections 4(1) and/or 4(2)
under the Act.


                                       -3-

<PAGE>



         (7)  In  the  event  that  the  registration  statement  referenced  in
paragraph (C)(1) is not declared  effective by the Commission on or before March
26, 1997, and provided that the undersigned is not a U.S. Person as that term is
defined under Regulation S of the Act, the undersigned,  may at its option,  (a)
convert the principal  amount and accrued  interest of the Debenture into shares
of Company  Common Stock in  accordance  with the terms of the Debenture and (b)
exercise the Warrants in accordance with the terms thereof.  Such shares will be
deemed to have been issued pursuant to Regulation S and shall be transferable in
accordance with the provisions of Regulation S and paragraph 8 below.

         (8) Upon the conversion of any Debenture or the exercise of any Warrant
by a person who is a non-U.S.  Person,  the Company shall  instruct its transfer
agent  to  issue  certificates  without  restrictive  legend  in the name of the
undersigned (or its nominee (being a non-U.S. Person) or such non-U.S. Person as
may  be  designated  by  the  undersigned  prior  to the  closing)  and in  such
denominations to be specified at conversion or exercise  representing the number
of  shares  of Common  Stock  issuable  upon such  conversion  or  exercise,  as
applicable.   The  Company  warrants  that  no  instructions  other  than  these
instructions  and  instructions  to impose a "stop  transfer"  instruction  with
respect to the  certificates  until the end of the  Restricted  Period have been
given or will be given to the  transfer  agent and that the Common  Stock  shall
otherwise  be  freely  transferable  on the books and  records  of the  Company.
Nothing in this paragraph 8, however,  shall affect in any way the undersigned's
or such  nominee's  obligations  and  agreements  to comply with all  applicable
securities laws upon resale of the Securities.

D. If at any  time  within  two (2)  weeks of the  date of this  Agreement,  the
Company seeks to sell for cash any shares of its Common Stock or its  promissory
notes to a third party, the Company shall provide the undersigned with notice of
same. The undersigned  shall have the right within five (5) business days of its
receipt  of the notice  pursuant  to this  provision  to  purchase  an amount of
Debentures and Warrants  equal to the amounts  subscribed for hereunder with the
same terms and conditions as set forth herewith.

E. In order to induce the Company to accept  this  Subscription  Agreement,  the
undersigned  represents and warrants to the Company and H.J.  Meyers & Co., Inc.
(the "Placement Agent") as follows:

         (l) The undersigned  understands that (i) this  Subscription  Agreement
may be accepted or rejected in whole or in part in the discretion of the Company
or the Placement Agent, and (ii) this  Subscription  Agreement,  unless properly
revoked before acceptance,  shall survive the undersigned's death, disability or
insolvency,  except that the undersigned  shall have no obligations in the event
that this Subscription  Agreement is rejected by the Company.  In the event that
the Company does not accept the undersigned's  subscription,  or if the Offering
is terminated for any reason, the undersigned's  payment will be returned to him
without interest or deduction.

         (2) The undersigned has read carefully this Subscription  Agreement and
the Term Sheet  (including  the  Exhibits  annexed  thereto)  and, to the extent
necessary, has discussed the representations, warranties and agreements which

                                       -4-

<PAGE>



the  undersigned  makes by signing it, and the applicable  limitations  upon the
undersigned's resale of the Securities with his or its counsel.

         (3) The  undersigned  understands  that no federal or state  agency has
made any finding or determination  regarding the fairness of the offering of the
Securities,  or  any  recommendation  or  endorsement  of  the  offering  of the
Securities. Any representation to the contrary is a criminal offense.

         (4) The undersigned is purchasing the Securities for the  undersigned's
own  account,  with the  intention  of holding  the  Securities  for  investment
purposes,   with  no  present  intention  of  dividing  or  allowing  others  to
participate  in this  investment  or of reselling  or  otherwise  participating,
directly or indirectly, in a distribution of the Securities;  and shall not make
any sale,  transfer or other disposition of the Securities without  registration
under the Act and  applicable  state  securities  laws unless an exemption  from
registration is available under those laws.

         (5) The undersigned's  overall  commitment to investments which are not
readily marketable is not  disproportionate  to the undersigned's net worth, and
the  undersigned's  investment  in the  Securities  will not cause such  overall
commitment to become excessive.

         (6) The undersigned,  if an individual, has adequate means of providing
for his current needs and personal and family  contingencies and has no need for
liquidity in his investment in the Securities.

         (7) The undersigned is an "accredited investor" as that Term is defined
in Section 501(a) under  Regulation D promulgated by the Securities and Exchange
Commission under the Act which definition is attached hereto. The undersigned is
financially  able to bear the economic  risk of this  investment,  including the
ability to afford holding the Securities for an indefinite period or to afford a
complete loss of this investment.

         (8) The address shown under the  undersigned's  signature at the end of
this Subscription Agreement is the undersigned's principal residence if he is an
individual, or its principal business address if a corporation or other entity.

         (9) The undersigned, together with any purchaser representatives of the
undersigned  (as  identified  herein)  has  such  knowledge  and  experience  in
financial  and business  matters as to be capable of  evaluating  the merits and
risks of an investment in the Securities.

         (10)  The undersigned has received and read the Term Sheet.

         (11) The undersigned has been given the opportunity to ask questions of
and receive answers from the Company  concerning the terms and conditions of the
Offering and to obtain additional  information  necessary to verify the accuracy


                                       -5-

<PAGE>


of the information  contained in the Term Sheet or such other information as the
undersigned  desired in order to evaluate the  investment,  and the  undersigned
availed itself of such opportunity to the extent considered appropriate in order
to evaluate the merits and risks of the proposed investment. Notwithstanding the
foregoing,  the only information upon which the undersigned has relied in making
the  investment  decision  is that set forth in the Term Sheet and the  exhibits
thereto.  The  undersigned  acknowledges  that the  undersigned  has received no
representations  or  warranties  from  the  Company  and  its  employees  or the
Placement Agent and its employees other than as set forth in the Term Sheet.

         (12) The undersigned  has made an independent  evaluation of the merits
of the investment and acknowledges the high risk nature of the investment.

         (13) The undersigned has accurately  completed the Qualified  Purchaser
Questionnaire  provided  herewith  and has  executed  such  Qualified  Purchaser
Questionnaire and any applicable exhibits thereto.

         (14)  The  undersigned  understands  that  even  if  the  Company  is a
"reporting company" under the Securities  Exchange Act of 1934, as amended,  the
provisions  of Rule 144  promulgated  under  the Act to  permit  resales  of the
Securities  are not  available  for at  least  two (2)  years  from the date the
Securities  are  paid  for and  accepted,  there  can be no  assurance  that the
conditions  necessary to permit routine sales of the  Securities  under Rule 144
will ever be satisfied,  that such sales required that the Company be current in
filing periodic reports under the Securities  Exchange Act of 1934, and, if Rule
144 should become  available,  sales made in reliance on its provisions could be
made only in limited  amounts and in accordance with the terms and conditions of
the Rule. The undersigned  further  understands that in connection with the sale
of securities  for which Rule 144 is not available,  compliance  with some other
registration  exemption  will be required.  The  undersigned  understands  that,
except as set forth in this  Subscription  Agreement,  the  Company  is under no
obligation to the  undersigned  to register the Securities or to comply with the
conditions  of Rule  144 or take any  other  action  necessary  in order to make
available any exemption for the resale of the Securities without registration.

         (15)(a)  The  undersigned  understands  that  as of the  date  of  this
agreement,  none of the Securities  have been  registered  under the Act, or any
state  securities  laws in reliance on  exemptions  for private  offerings;  the
Securities   cannot  be  resold  or  otherwise   disposed  of  unless  they  are
subsequently  registered under the Act and applicable sate securities laws or an
exemption from registration is available.  The  certificate(s)  representing the
Securities will bear the following  legend until (i) such securities  shall have
been registered under the Act and effectively disposed of in accordance with the
registration  statement;  or (ii) such  Securities  may be sold  pursuant  to an
exemption from the registration requirements of the Act:

"THESE SECURITIES HAVE BEEN ACQUIRED FOR INVESTMENT PURPOSES ONLY, HAVE NOT BEEN
AND WILL NOT BE REGISTERED  UNDER THE UNITED STATES  SECURITIES  ACT OF 1933, AS
AMENDED, AND THE RULES AND REGULATIONS PROMULGATED THEREUNDER (THE"1933 ACT"),

                                       -6-

<PAGE>



AND MAY  NOT BE  OFFERED  OR SOLD  WITHIN  THE  UNITED  STATES  (AS  DEFINED  IN
REGULATIONS  OF THE 1933 ACT) OR TO, OR FOR THE  ACCOUNT  OR  BENEFIT  OF,  U.S.
PERSONS  (AS  DEFINED  IN  REGULATION  S OF THE 1933  ACT)  EXCEPT  PURSUANT  TO
REGISTRATION  UNDER OR AN EXEMPTION FROM THE  REGISTRATION  REQUIREMENTS  OF THE
1933 ACT."

         (b) The undersigned  understands that in the absence of registration by
the Company, the Securities will not be, and the undersigned will have no rights
to require that the  Securities  be  registered  under the 1933 Act or any state
securities  laws; there will be no public market for the Securities and there is
no assurance one will develop in the future;  the  undersigned  may have to hold
the Securities  indefinitely  and it may not be possible for the  undersigned to
liquidate its investment in the Company; and the undersigned should not purchase
any  Securities  unless it can afford a complete loss of its investment and bear
the burden of such loss for an indefinite period of time.

         (16) In the event that the undersigned is not a U.S. Person (as defined
in  Section  902(o)  of  Regulation  S of the Act,  it hereby  acknowledges  the
additional representations in Exhibit A attached hereto.

         F. If at any  time  prior to  acceptance  of the  subscription  for the
Securities of the undersigned, any representation or warranty of the undersigned
shall no longer be true, the  undersigned  promptly shall give written notice to
the  Company  and the  Placement  Agent  specifying  which  representations  and
warranties  are not true and the reason  therefor,  whereupon the  undersigned's
subscription may be rejected.

         G. The Company represents and warrants to the undersigned as follows:

         (a) The Company has  registered its Common Stock pursuant to Section 12
of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the
Common  Stock is listed  and trades on  NASDAQ.  Seller  has filed all  material
required to be filed pursuant to all reporting  obligations under either Section
13(a) or 15(d) of the  Exchange  Act for a period of at least twelve (12) months
immediately  preceding the offer or sale of the  Securities (or for such shorter
period that Seller has been required to file such material).

         (b) The Company has furnished the  undersigned  with copies of its most
recent  reports,  as  amended,  filed  under the  Exchange  Act  referred  to in
paragraph (a) above, and such other publicly available documents as requested by
the undersigned.

         (c) The issuance,  sale and delivery of the  Securities  have been duly
authorized by all required corporate action on the part of the Company, and when
issued,  sold and delivered in accordance  with the terms hereof and thereof for
the consideration expressed herein and therein, will be duly and validly issued,
fully paid and non-assessable.  The Common Stock issuable upon conversion of the
Debentures  and  exercise  of the  Warrants,  as  applicable,  has been duly and
validly  reserved  for  issuance  and,  upon  issuance  in  accordance  with the


                                       -7-

<PAGE>



respective terms of the Securities shall be duly and validly issued, fully paid,
and non-assessable and will not subject the holders thereof, if such persons are
non- U.S. persons, to personal liability by reason of being such holders.  There
are no pre-emptive rights of any shareholder of the Company.

         (d) This  Agreement  has been duly  authorized,  validly  executed  and
delivered  on behalf of the  Company  and is a valid and  binding  agreement  in
accordance  with its  terms,  subject  to  general  principals  of equity and to
bankruptcy  or  other  laws  affecting  the  enforcement  of  creditors'  rights
generally.

         (e) The execution and delivery of this  Agreement and the  consummation
of the issuance of the  Securities  and the  transactions  contemplated  by this
Agreement do not and will not conflict with or result in a breach by the Company
of any of the  terms or  provisions  of, or  constitute  a  default  under,  the
Certificate  of  Incorporation  or By-laws  of the  Company,  or any  indenture,
mortgage,  deed of trust, or other material agreement or instrument to which the
Company is a party or by which it or any of its  properties or assets are bound,
or any existing  applicable  law, rule or regulation of the United States or any
State  thereof or any  applicable  decree,  judgment  or order of any Federal or
State court,  Federal or State regulatory body,  administrative  agency or other
United States  governmental body having  jurisdiction over the Company or any of
its properties or assets.

         (f) The Company is not aware of any authorization,  approval or consent
of any governmental  body which is legally required for the issuance and sale of
the Securities and the Common Stock issuable upon conversion or exercise thereof
to persons who are non- U.S. Persons, as contemplated by this Agreement.

         H.  Notwithstanding the place where this Subscription  Agreement may be
executed by any of the parties hereto, all the terms and provisions hereof shall
be construed in accordance with and governed by the laws of The  Commonwealth of
Massachusetts,  without  giving  effect to its conflict of law  principles.  Any
dispute which may arise out of or in connection with this Subscription Agreement
shall be adjudicated before a court located in The Commonwealth of Massachusetts
and the parties hereby submit to the exclusive jurisdiction of the courts of The
Commonwealth of  Massachusetts  and of the federal courts in The Commonwealth of
Massachusetts  with respect to any action or legal  proceeding  commenced by any
party,  and  irrevocably  waive any  objection  they now or  hereafter  may have
respecting  the venue of any  action or  proceeding  brought  in such a court or
respecting  the fact that such court is an  inconvenient  forum,  relating to or
arising out of this Subscription  Agreement or any acts or omissions relating to
the sale of the  Securities,  and the  undersigned  consents  to the  service of
process  in any such  action  or legal  proceeding  by  means of  registered  or
certified mail, return receipt requested, in care of the address set forth below
or such other address as the undersigned shall furnish in writing to the Company
and the Placement Agent.

         I.  The  undersigned  hereby  waives  trial  by jury in any  action  or
proceeding  involving,  directly or indirectly,  any matter (whether sounding in


                                       -8-

<PAGE>


tort,  contract,  fraud or otherwise) in any way arising out of or in connection
with  this  Subscription   Agreement  or  the  undersigned's   purchase  of  the
Securities.

         J. The  undersigned  acknowledges  that he understands  the meaning and
legal  consequences  of  the  representations,  warranties  and  acknowledgments
contained  in  this  Subscription  Agreement  and  in  the  Qualified  Purchaser
Questionnaire,  and hereby agrees to indemnify and hold harmless the Company and
the Placement  Agent, and their respective  shareholders,  officers,  directors,
affiliates, "controlling persons", agents and representatives,  from and against
any and all loss, damage,  expense, claim, action, suit or proceeding (including
the reasonable fees and expenses of legal counsel) as incurred arising out of or
in any  manner  whatsoever  connected  with a breach  of any  representation  or
warranty of the undersigned  contained in this Subscription  Agreement or in the
Qualified Purchaser Questionnaire. The undersigned acknowledges that such damage
could  be  substantial  since  (a) the  Securities  are  being  offered  without
registration  under the Act in reliance upon the  exemption  pursuant to Section
4(2) of the Act for  transactions  by an issuer not involving a public  offering
and,  in various  states,  pursuant to  exemptions  from  registration,  (b) the
availability of such exemptions is, in part, dependent upon the truthfulness and
accuracy  of the  representations  made  by the  undersigned  herein  and in its
Qualified  Purchaser  Questionnaire,  and  (c)  the  Company  will  rely on such
representations in accepting the undersigned's Subscription Agreement.

         K. Except as expressly  provided herein,  this  Subscription  Agreement
contains  the  entire  agreement   between  the  parties  with  respect  to  the
transactions  contemplated  hereunder  and  may be  amended  only  by a  writing
executed by all of the parties hereto.  This Subscription  Agreement  supersedes
all prior arrangements or understandings with respect thereto, whether verbal or
written. The terms and conditions of this Subscription  Agreement shall inure to
the benefit of and be binding upon the parties and their respective  successors,
heirs and assigns.


                [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK]


                                       -9-

<PAGE>



ALL SUBSCRIBERS MUST COMPLETE THIS PAGE

IN WITNESS  WHEREOF,   the  undersigned  has  executed  this  Subscription
         Agreement on this _______ day of ______________, 1997.

$
Debentures Subscribed For                         Warrants Subscribed for
<TABLE>
<CAPTION>

Manner in which Title is to be held (Please Check One):
<S>      <C>     <C>                               <C>      <C>      <C>

1.        / /     Individual                        7.       / /      Trust/Estate/Pension or Profits
                                                                       Sharing Plan
                                                                       Date Opened:

2.       / /      Joint Tenants With                 8.       / /      As a Custodian for
                  Right of Survivorship

3.       / /      Community Property
                                                                       Under the Uniform Gift to Minors
                                                                       Act of the State of
4.       / /      Tenants in Common

5.       / /      Corporate/Partnership              9.       / /      Married with Separate Property

6.       / /      IRA                                10.      / /      Keogh

</TABLE>


INDIVIDUAL SUBSCRIBERS MUST COMPLETE PAGE 11.
SUBSCRIBERS THAT ARE ENTITIES MUST COMPLETE PAGE 12.


                                            Name of Purchaser


                                            Registered Representative

     Please indicate  whether or not you or any member of your immediate  family
is affiliated with any member of the National Association of Securities Dealers,
Inc.  A  member  of  your  immediate  family  includes  parents,  mother-in-law,
father-in-law,   husband  or  wife,   brother  or  sister,   brother-in-law   or
sister-in-law, son-in-law, daughter-in-law and children and any other person who
is supported, directly or indirectly to a material extent by the subscriber.


Check One:        / / No Affiliates         / /  Affiliated with (explain)

                                      -10-

<PAGE>



EXECUTION BY SUBSCRIBER WHO IS A NATURAL PERSON



Exact Name in Which Title is to be Held



(Signature)
(If joint Tenant or Tenants in Common, both persons must sign and this page must
contain all information for both persons).



Name (Please Print)



Residence: Number and Street



City                       State                              Zip Code



Telephone Number



Social Security Number


ACCEPTED this             day of              , 1997, on behalf of the Company.

                                               GREENMAN TECHNOLOGIES, INC.


                                               By:

                                               Name:



                                      -11-

<PAGE>



EXECUTION BY SUBSCRIBER THAT IS AN ENTITY

(Corporation, Partnership, Trust, Etc.)



Name of Entity (Please Print)



Address of Principal Office of Entity


(seal)                                   BY:

                                         TITLE:

Attest:
                  (If Entity is a Corporation)



                                            Address



                                            Telephone Number



                                            Taxpayer Identification Number


ACCEPTED, this         day of         , 1997, on behalf of the Company.

                                          GREENMAN TECHNOLOGIES, INC.


                                          By:

                                          Name:



                                      -12-

<PAGE>



                                                                     EXHIBIT A

                           GREENMAN TECHNOLOGIES, INC.

               ADDITIONAL REPRESENTATIONS MADE BY NON-U.S. PERSONS


         In  connection  with the  purchase and sale of the  Debentures  and the
Warrants,  the Undersigned  represents and warrants to, and covenants and agrees
with the Company as follows:

         1. The  Undersigned is not a natural person and is not organized  under
the laws of any jurisdiction  within the United States, was not formed by a U.S.
Person  (as  defined  in  Section  902(o) of  Regulation  S) for the  purpose of
investing in  Regulation S securities  and is not otherwise a U.S.  Person.  The
Undersigned  is not,  and on the closing  date will not be an  affiliate  of the
Company;

         2. At the  time the buy  order  was  originated,  the  Undersigned  was
outside the United  States and is outside of the United States as of the date of
the execution and delivery of this Agreement;

         3. No offer to  purchase  the  Debentures,  the  Warrants or the common
stock of the Company  issuable upon  conversion of the Debentures or exercise of
the Warrants  (collectively,  the "Securities"),  was made by the Undersigned in
the United States;

         4. The Undersigned is purchasing the Securities for its own account and
the  Undersigned is qualified to purchase the  Securities  under the laws of its
jurisdiction  of residence,  and the offer and sale of the  Securities  will not
violate the securities or other laws of such jurisdiction;

         5. All offers  and sales of any of the  Securities  by the  Undersigned
prior to the end of the Restricted Period (as hereinafter defined) shall be made
in compliance with any applicable securities laws of any applicable jurisdiction
and in  accordance  with Rule 903 and 904, as  applicable,  of  Regulation  S or
pursuant  to  registration  of  securities  under the 1933 Act or pursuant to an
exemption from  registration.  In any case, none of the Securities have been and
will be offered or sold by the Undersigned to, or for the account or benefit of,
a U.S.  Person or within the  United  States  until  after  March 25,  1997 (the
"Restricted  Period"),  as certified  by the  Undersigned  to the  Company,  and
thereafter only pursuant to a Registration  Statement or an applicable exemption
therefrom;

         6. The  transactions  contemplated  by this Agreement (a) have not been
and will not be pre-arranged by the Undersigned with a purchaser  located in the
United States or a purchaser  which is a U. S. Person,  and (b) are not and will
not be part of a plan or scheme by the  Undersigned,  to evade the  registration
provisions of the 1933 Act;


                                      -13-

<PAGE>



         7. The Undersigned  understands  that the Securities are not registered
under the 1933 Act and are being  offered and sold to it in reliance on specific
exclusions from the  registration  requirements of Federal and State  securities
laws,  and that the  Company  is  relying  upon the  truth and  accuracy  of the
representations,  warranties, agreements,  acknowledgments and understandings of
the Undersigned set forth herein in order to determine the applicability of such
exclusions  and the  suitability of the  Undersigned  and any purchaser from the
Undersigned to acquire the Securities;

         8. The  Undersigned  shall  take all  reasonable  steps to  ensure  its
compliance  with Regulation S and shall promptly send to each purchaser who acts
as a  distributor,  dealer or a person  receiving a selling  concession,  fee or
other  remuneration in respect of any of the Securities,  who purchases prior to
the expiration of the Restricted Period referred to in subparagraph (v) above, a
confirmation  or other  notice to the  purchase  stating  that the  purchaser is
subject to the same restrictions on offers and sales as the Undersigned pursuant
to Section 901(c)(2)(iv) of Regulation S;

         9.  The  Undersigned  has not  conducted  and  shall  not  conduct  any
"directed  selling efforts" as that term is defined in Rule 902(b) of Regulation
S; nor has the Undersigned  conducted any general  solicitation  relating to the
offer and sale of any of the Securities in the United States or elsewhere;

         10. This  Agreement  has been duly  authorized,  validly  executed  and
delivered on behalf of the Undersigned  and is a valid and binding  agreement in
accordance  with its  terms,  subject  of  general  principals  of equity and to
bankruptcy  or  other  laws  affecting  the  enforcement  of  creditors'  rights
generally;

         11. The execution and delivery of this  Agreement and the  consummation
of the purchase of the  Securities,  and the  transactions  contemplated by this
Agreement  do not and will  not  conflict  with or  result  in a  breach  by the
Undersigned of any of the terms or provisions of, or constitute a default under,
the articles of incorporation or by-laws (or similar constitutive  documents) of
the  Undersigned of any indenture,  mortgage,  deed of trust,  or other material
agreement or  instrument to which the  Undersigned  is a party or by which it or
any of its properties or assets are bound, or any existing  applicable law, rule
or  regulation  of the  United  States or any State  thereof  or any  applicable
decree,  judgment  or order of any  Federal  or State  court,  Federal  or State
regulatory body,  administrative agency or other United States governmental body
having jurisdiction over the Undersigned or any of its properties or assets;

         12. All  invitations,  offers  and sales or in  respect  of, any of the
Securities,  by the Undersigned  and any  distribution by the Undersigned of any
documents  relating  to any  offer  by it of any of the  Securities  will  be in
compliance  with  applicable  laws  and  regulations  and will be made in such a
manner that no prospectus  need be filed and no other filing need be made by the
Company with any  regulatory  authority or stock  exchange in any country or any
political sub-division of any country;


                                      -14-

<PAGE>


         13. The  Undersigned  will not make any offer or sale of the Securities
by any  means  which  would  not  comply  with the laws and  regulations  of the
territory in which such offer or sale takes place or to which such offer or sale
is subject or which would in connection  with any such offer or sale impose upon
the  Company  any  obligation  to  satisfy  any  public  filing or  registration
requirement  or provide or publish any  information  of any kind  whatsoever  or
otherwise undertake or become obligated to do any act; and

         14. Neither the Undersigned nor any of its affiliates has entered,  has
the intention of entering,  or will during the Restricted  Period enter into any
put option,  short position or other similar instrument or position with respect
to any of the Securities or securities of the same class as the Securities.

ACKNOWLEDGED AND AGREED BY PURCHASER:



Signature


Printed Name & Title (if applicable)

                                      -15-

         THIS DEBENTURE HAS BEEN ACQUIRED FOR INVESTMENT  PURPOSES ONLY, HAS NOT
BEEN AND WILL NOT BE REGISTERED  UNDER THE  SECURITIES  ACT OF 1933, AS AMENDED,
AND THE RULES AND REGULATIONS  PROMULGATED  THEREUNDER (THE "1933 ACT"), AND MAY
NOT BE OFFERED OR SOLD WITHIN THE UNITED  STATES (AS DEFINED IN  REGULATION S OF
THE 1933 ACT) OR TO, OR FOR THE  ACCOUNT OR BENEFIT OF U.S.  PERSONS (AS DEFINED
IN  REGULATION S OF THE 1933 ACT) EXCEPT  PURSUANT TO  REGISTRATION  UNDER OR AN
EXEMPTION FROM THE REGISTRATION  REQUIREMENTS OF THE 1933 ACT. THIS LEGEND SHALL
BE ENDORSED UPON ANY NOTE ISSUED IN EXCHANGE FOR THIS NOTE.


                           GREENMAN TECHNOLOGIES, INC.


                      7% CONVERTIBLE SUBORDINATED DEBENTURE


No. [         ]                                       $[               ]
     ---------                                          ---------------


GREENMAN TECHNOLOGIES,  INC., a Delaware corporation (the "Company"),  for value
received,  hereby  promises to pay to     or registered  assigns (the "Payee" or
"Holder") (the "Maturity  Date") at the offices of the Company,  7 Kimball Lane,
Building A, Lynnfield,  Massachusetts  01940,  the principal amount of [ ] ($ ),
which shall be payable in cash or by check.  Interest on the principal amount of
this Debenture shall be paid at the rate of seven percent (7%) per annum accrued
during the period that the principal  amount of this  Debenture is  outstanding,
payable at the option of the Company in cash,  by check,  or in shares of Common
Stock of the Company using the Conversion  rate set forth in paragraph 4 hereof,
six months and one year from the date of this Debenture.

         This  Debenture  is one  of a  series  of  Debentures  in  the  maximum
aggregate  principal amount of $3,000,000 (the "Offering") issued by the Company
pursuant to a Subscription  Agreement  dated of even date herewith,  between the
Company and the Payee (the "Subscription  Agreement"), a copy of which agreement
is available for inspection at the Company's  principal office.  Notwithstanding
any provision to the contrary  contained  herein,  this Debenture is subject and
entitled to certain terms, conditions, covenants and agreements contained in the
Subscription Agreement. Any transferee or transferees of the Debenture, by their
acceptance  hereof,  assume  the  obligations  of the Payee in the  Subscription
Agreement  with respect to the  conditions  and  procedures  for transfer of the
Debenture.  Reference to the  Subscription  Agreement shall in no way impair the
absolute and  unconditional  obligation of the Company to pay both principal and
interest hereon as provided herein.


                                                       

<PAGE>



         The Company  covenants and agrees that, so long as this Debenture shall
be outstanding, it will:

                  (i) Promptly pay and discharge all lawful taxes,  assessments,
and  governmental  charges or levies imposed upon the Company or upon its income
and  profits,  or upon any of its  property,  before  the same  shall  become in
default,  as well as all lawful claims for labor,  materials and supplies which,
if  unpaid,  might  become a lien or  charge  upon such  properties  or any part
thereof:  provided  however,  that the Company  shall not be required to pay and
discharge  any  such  tax,  assessment,  charge,  levy or  claim  so long as the
validity thereof shall be contested in good faith by appropriate proceedings and
the Company shall set aside on its books  adequate  reserves with respect to any
such tax, assessment, charge, levy or claim so contested;

                  (ii) Do or cause to be done all things reasonably necessary to
preserve and keep in full force and effect its corporate  existence,  rights and
franchises and comply with all laws applicable to the Company,  except where the
failure to comply would not have a material adverse effect on the Company;

                  (iii) At all times reasonably maintain,  preserve, protect and
keep its property  used or useful in the conduct of its business in good repair,
working order and  condition,  and from time to time make all needful and proper
repairs, renewals,  replacements,  betterments and improvements thereto as shall
be reasonably required in the conduct of its business;

                  (iv)  To  the  extent  necessary  for  the  operation  of  its
business,  keep adequately insured by all financially sound reputable  insurers,
all property of a character  usually insured by similar  corporations  and carry
such other insurance as is usually carried by similar corporations; and

                  (v)   At all times keep true and correct books, records
and accounts.

         This Debenture is subject to the following additional provisions:

         1. The  Debentures  are  issuable in  denominations  of Fifty  Thousand
Dollars  ($50,000  U.S.) and integral  multiples  thereof.  The  Debentures  are
exchangeable for an equal aggregate  principal amount of Debentures of different
authorized denominations,  as requested by the Holders surrendering the same. No
service charge will be made for such registration of transfer or exchange.

         2. The  Company  shall be entitled  to  withhold  from all  payments of
principal  of, and  interest  on,  this  Debenture  any  amounts  required to be
withheld under the applicable provisions of the United States income tax laws or
other applicable laws at the time of such payments.


                                       -2-

<PAGE>



         3. This Debenture has been issued subject to investment representations
of the original  purchaser  hereof and may be  transferred  or exchanged only in
compliance with the Securities Act of 1933, as amended (the "Act"). Prior to due
presentment  for  transfer of this  Debenture,  the Company and any agent of the
Company may treat the person in whose name this Debenture is duly  registered on
the  Company's  Debenture  Register  as the  owner  hereof  for the  purpose  of
receiving payment as herein provided and for all other purposes,  whether or not
this  Debenture be overdue,  and neither the Company nor any such agent shall be
affected  by notice to the  contrary.  Any  holder  of this  Debenture  who is a
non-U.S.  Person  electing  to  exercise  the right of  conversion  set forth in
Section 4 hereof,  in  addition to the  requirements  set forth in Section 4, is
also required to give the Company (i) written confirmation that it is not a U.S.
Person  and the  Debenture  is not being  converted  on behalf of a U.S.  Person
("Notice of Conversion")  or (ii) an opinion of U.S.  counsel to the effect that
the Debenture and shares of Common Stock issuable upon  conversion  thereof have
been registered under the 1933 Act or are exempt from such registration.  In the
event a Notice of  Conversion  or opinion of counsel is not  provided the Holder
hereof  will bot be entitled  to  exercise  the right to convert the  Debentures
pursuant to Section 4 herein.

         4. The Holder of this Debenture is entitled, at its option, at any time
after March 25, 1997 and until maturity  hereof to convert the entire  principal
amount of this Debenture or any portion of the principal  amount hereof which is
at  least  Fifty  Thousand  ($50,000),  or if at the  time of such  election  to
convert,  the aggregate  principal  amount of all  Debentures  registered to the
Holder is less then Fifty  Thousand  Dollars  ($50,000),  then the whole  amount
thereof,  into Shares of Common Stock of the Company at a  conversion  price for
each share of Common  Stock  equal to the lower of (a) the closing bid price for
the Common Stock on the date hereof as reported by the National  Association  of
Securities  Dealers  Automated  Quotation  System  ("NASDAQ") or the closing bid
price in the over-the counter market or, in the event the Common Stock is listed
on a stock exchange, the closing price on such exchange, as reported to the Wall
Street Journal or (b) seventy percent (70%) of the Market Price of the Company's
Common Stock. The foregoing notwithstanding, the outstanding principal amount of
this Debenture shall be  automatically  converted into shares of Common Stock of
the Company upon the first  anniversary of the termination of the Offering.  For
purposes of this  Section 4, the Market  Price shall be the closing bid price of
the Common Stock on the trading day immediately  preceding the conversion  date,
as reported by NASDAQ,  or the closing bid price in the over-the  counter market
or, in the event the Common Stock is listed on a stock exchange, the fair market
value per Share shall be the average closing price on the exchange,  as reported
to the Wall Street Journal. Such conversion shall be effectuated by surrendering
the  Debentures to be converted  (with a copy,  by facsimile or courier,  to the
Company) to the Company with the form of conversion  notice  attached  hereto as
Exhibit A,  executed by the Holder of this  Debenture  evidencing  such Holder's
intention to convert this Debenture or a specified  portion (as above  provided)
hereof, and accompanied, if required by the Company, by proper assignment hereof
in blank.  The Company  shall use its best  efforts to have the Shares of Common
Stock issued and delivered to the Holder  thereof  within seven business days of


                                       -3-

<PAGE>


the receipt of the conversion form and  Debenture(s).  No fractions of shares or
scrip  representing  fractions of shares will be issued on  conversion,  but the
number of shares issuable shall be rounded to the nearest whole share.  The date
on which notice of  conversion  is given shall be deemed to be the date on which
the Holder  has  delivered  this  Debenture,  with the  conversion  notice  duly
executed,  to the Company,  or, if earlier, the date set forth in such notice of
conversion  if this  Debenture is received by the Company  within five  business
days hereafter.

         5. The Company hereby  reserves the right, in its sole  discretion,  to
redeem some or all of the  Redemption  Principal  and  accrued  interest on this
Debenture,  upon five (5) days  written  notice to the Holder  (the  "Redemption
Notice"), if the Market Price of the Common Stock averages $.90 or less for five
(5)  consecutive  trading days. As used herein,  the term  Redemption  Principal
shall mean 130% of the principal of this Debenture  sought to be redeemed by the
Company.  For  purposes of this Section 5, the Market Price shall be the closing
bid price of the Common Stock as reported by NASDAQ, or the closing bid price in
the  over-the  counter  market or, in the event the Common  Stock is listed on a
stock exchange,  the average closing price on such exchange,  as reported to the
Wall Street Journal.  Notwithstanding anything to the contrary contained in this
Section 5, the Holder of this  Debenture  shall  retain the right to convert the
Debenture  pursuant to the terms hereof by  notifying  the Company in writing of
its intent to convert the Debenture within three (3) business days of receipt of
the Redemption Notice.

         6. No provision of this Debenture  shall alter or impair the obligation
of the Company,  which is absolute and  unconditional,  to pay the principal of,
and interest on, this Debenture at the time,  place and rate, and in the coin or
currency,  herein  prescribed.  This  Debenture and all other  Debentures now or
hereafter  issued of similar terms are direct  obligations of the Company.  This
Debenture  ranks equally and ratably with all other  Debentures now or hereafter
issued under the terms set forth herein.

         7. No recourse shall be had for the payment of the principal of, or the
interest  on, this  Debenture,  or for any claim based  hereon,  or otherwise in
respect hereof, against any incorporator,  shareholder,  officer or director, as
such,  past,  present or future,  of the Company or any  successor  corporation,
whether  by  virtue  of any  constitution,  statute  or rule  of law,  or by the
enforcement of any assessment or penalty or otherwise, all such liability being,
by the acceptance  hereof and as part of the consideration for the issue hereof,
expressly waived and released.

         8. The Holder of this Debenture, by acceptance hereof, agrees that this
Debenture is being  acquired for investment and that such Holder will not offer,
sell or  otherwise  dispose  of this  Debenture  or the  Shares of Common  Stock
issuable upon exercise thereof except under  circumstances which will not result
in a violation of the Act or any  applicable  state Blue Sky law or similar laws
relating to the sale of securities.


                                       -4-

<PAGE>



         9. As set forth herein, the Company shall use all reasonable efforts to
issue and deliver, within seven business days after the Holder has fulfilled all
conditions  and submitted all  necessary  documents  duly executed and in proper
form  required  for  conversion  ( the  "Deadline"),  to the Holder or any party
receiving a Debenture by transfer from the Holder (together, a "Holder"), at the
address of the Holder on the books of the Company, a certificate or certificates
for the number of Shares of Common  Stock to which the Holder shall be entitled.
The  Company  understands  that a delay in the  issuance of the Shares of Common
Stock  beyond the  Deadline  could  result in economic  loss to the  Holder.  To
satisfy  Holder that  certificates  for the Shares of Common Stock issuable upon
conversion of the  Debentures  will be issued in accordance  with the foregoing,
the Company  will issue and deposit  with its  transfer  agent,  American  Stock
Transfer & Trust Company (hereinafter the "Escrow Agent"), a certificate without
restrictive legend (with a stock power endorsed in blank) representing one share
of Company  Common Stock for each dollar of principal of the  Debenture.  In the
event that the Company does not satisfy its  obligations  under this  provision,
the Escrow Agent shall  deliver to the Holder the  certificate  or  certificates
registered in the name of the Holder.

         10. The  Debenture  represents a general  unsecured  obligation  of the
Company.  No recourse  shall be had for the payment of the  principal of, or the
interest  on, this  Debenture,  or for any claim based  hereon,  or otherwise in
respect hereof, against any incorporator,  shareholder,  officer or director, as
such,  past,  present or future,  of the Company or any  successor  corporation,
whether  by  virtue  of any  constitution,  statute  or rule  of law,  or by the
enforcement of any assessment or penalty or otherwise, all such liability being,
by the acceptance  hereof and as part of the consideration for the issue hereof,
expressly waived and released.

         C.  Events of Default

         1. This  Debenture  shall  become and be due and payable  upon  written
demand made by the holder hereof if one or more of the following events,  herein
called events of default, shall happen and be continuing:

         (i) Default in the  payment of the  principal  and accrued  interest on
this  Debenture  when and as the same shall become due and  payable,  whether by
acceleration or otherwise;

         (ii)  Default in the due  observance  or  performance  of any  material
covenant,  condition  or  agreement on the part of the Company to be observed or
performed  pursuant to the terms hereof and such default shall continue  uncured
for thirty (30) days after  written  notice  thereof,  specifying  such default,
shall have been given to the Company by the holder of the Debenture;

         (iii)  Application  for, or consent to, the  appointment of a receiver,
trustee or liquidator of the Company or of its property;

                                       -5-

<PAGE>



         (iv)  Admission in writing of the Company's  inability to pay its debts
as they mature;

         (v) General assignment by the Company for the benefit of creditors;

         (vi) Filing by the Company of a voluntary  petition in  bankruptcy or a
petition or an answer seeking reorganization, or an arrangement with creditors;

         (vii)  Entering  against  the  Company  of a court  order  approving  a
petition filed against it under the Federal  bankruptcy  laws, which order shall
not have been  vacated or set aside or  otherwise  terminated  within sixty (60)
days;

         (viii) A material breach of the Company's  representations contained in
the Subscription Agreement;

         (ix)     The sale by the Company of substantially all of its assets;

         (x) The merger by the Company with or into another  corporation,  other
than for purposes of changing  domicile,  where the Company is not the surviving
corporation.

         (ix) The  failure  of the  Company  to satisfy  the  obligations  under
paragraph 8 hereof,  provided however,  that delivery by the Escrow Agent to the
Holder of the  certificates  pursuant to paragraph 8 shall be deemed to cure the
default.

         2. The Company  agrees that  notice of the  occurrence  of any event of
default will be promptly given to the holder at his or her registered address by
certified mail.

         3. In case any one or more of the  events of  default  specified  above
shall  happen and be  continuing,  the holder of this  Debenture  may proceed to
protect  and  enforce  his  rights by suit in the  specific  performance  of any
covenant or agreement  contained in this  Debenture or in aid of the exercise of
any power  granted in this  Debenture  or may  proceed to enforce the payment of
this Debenture or to enforce any other legal or equitable rights as such holder.

         D. Miscellaneous

         1.  This  Debenture  has  been  issued  by  the  Company   pursuant  to
authorization  of the Board of  Directors of the Company  which  provides for an
aggregate  of up to  $3,000,000  in face amount of  identical  Debentures  to be
issued.

         2. The  Company  may  consider  and treat the person in whose name this
Debenture  shall be  registered  as the absolute  owner thereof for all purposes
whatsoever  (whether or not this  Debenture  shall be  overdue)  and the Company
shall not be affected by any notice to the  contrary.  The  registered  owner of
this Debenture shall have the right to transfer it by assignment (subject to the


                                       -6-

<PAGE>


limitations  on  transfer  contained  in the  Subscription  Agreement)  and  the
transferee  thereof shall,  upon his  registration  as owner of this  Debenture,
become vested with all the powers and rights of the transferor.  Registration of
any new owner  shall take  place  upon  presentation  of this  Debenture  to the
Company at its offices,  7 Kimball Lane,  Building A,  Lynnfield,  Massachusetts
01940,  together with a duly  authenticated  assignment.  In case of transfer by
operation of law, the  transferee  agrees to notify the Company of such transfer
and of his address, and to submit appropriate evidence regarding the transfer so
that  this  Debenture  may be  registered  in the name of the  transferee.  This
Debenture is transferable only on the books of the Company by the holder hereof,
in person or by attorney, on the surrender hereof, duly endorsed. Communications
sent to any  registered  owner  shall be  effective  as against  all  holders or
transferees  of  the  Debenture  not  registered  at the  time  of  sending  the
communication.

         3. Payment of principal  and interest  shall be made to the  registered
owner  of this  Debenture  upon  presentation  of this  Debenture  upon or after
maturity.

         4. This  Debenture  shall be construed and enforced in accordance  with
the laws of The Commonwealth of Massachusetts.

         IN WITNESS WHEREOF,  the Company has caused this Debenture to be signed
in its name by the undersigned.

Dated:                 , 1997


                                       GREENMAN TECHNOLOGIES, INC.

                                       By 
                                          Maurice E. Needham
                                          Chief Executive Officer





                                       -7-

<PAGE>



                                                                Exhibit A


                            FORM OF CONVERSION NOTICE
                 (To be signed only on conversion of Debenture)

TO:  GreenMan Technologies, Inc.

         The undersigned, the holder of the within Debenture, hereby irrevocably
elects to convert $_____ of the principal amount of the Debenture into shares of
Common  Stock of  GreenMan  Technologies,  Inc.,  a  Delaware  corporation,  and
herewith  delivers the  Debenture  as payment  therefor,  and requests  that the
certificates  for such  shares  to be issued in the name of,  and  delivered  to
_______________ whose address is __________________________________.

         The  undersigned  represents that it is not a U.S. Person as defined in
Regulation S promulgated  under the Securities  Act of 1933, as amended,  and is
not   converting   the   Debenture  on  behalf  of  any  U.S.   Person  and  the
representations  contained in the Subscription Agreement are true as of the date
hereof.


Dated:
                 (Signature must conform to name of holder as specified on
                 the face of the Debenture)





                                   (Address)







<PAGE>



                               FORM OF ASSIGNMENT
                  (To be signed only on transfer of Debenture)

         For  value  received,   the  undersigned  hereby  sells,  assigns,  and
transfers unto  _________________________________  the rights represented by the
within  Debenture to receive  payment of principal  and interest  owed under the
Debenture and the right to convert the Debenture  into shares of Common Stock of
GreenMan   Technologies,    Inc.,   a   Delaware   corporation,   and   appoints
________________  Attorney to transfer  such  Debenture on the books of GreenMan
Technologies,  Inc. a Delaware  corporation,  with full power of substitution in
the premises.

Dated:
                    (Signature must conform to name of holder as specified on
                    the face of the Warrant)



                                 (Address)

Signed in the presence of :











         THIS WARRANT HAS BEEN ACQUIRED FOR  INVESTMENT  PURPOSES  ONLY, HAS NOT
BEEN AND WILL NOT BE REGISTERED  UNDER THE  SECURITIES  ACT OF 1933, AS AMENDED,
AND THE RULES AND REGULATIONS  PROMULGATED  THEREUNDER (THE "1933 ACT"), AND MAY
NOT BE OFFERED OR SOLD WITHIN THE UNITED  STATES (AS DEFINED IN  REGULATION S OF
THE 1933 ACT) OR TO, OR FOR THE  ACCOUNT OR BENEFIT OF U.S.  PERSONS (AS DEFINED
IN  REGULATION S OF THE 1933 ACT) EXCEPT  PURSUANT TO  REGISTRATION  UNDER OR AN
EXEMPTION FROM THE REGISTRATION  REQUIREMENTS OF THE 1933 ACT. THIS LEGEND SHALL
BE ENDORSED UPON ANY WARRANT ISSUED IN EXCHANGE FOR THIS WARRANT.


Warrant No.:  _____                              Right to Purchase _______
                                                 Shares of Common Stock of
January __, 1997                                 GreenMan Technologies, Inc.


VOID UNLESS EXERCISED BEFORE 5:00 P.M., EASTERN STANDARD TIME ON
JANUARY __, 1998.

                           GreenMan Technologies, Inc.

                          Common Stock Purchase Warrant


         GreenMan  Technologies,  Inc., a Delaware  corporation (the "Company"),
hereby  certifies  that, for value  received,  ________________  or assigns,  is
entitled,  subject to the terms set forth below,  to purchase  from the Company,
commencing  January __, 1997, at any time or from time to time before 5:00 p.m.,
Eastern Standard Time, on or before January __, 1998,  __________ fully paid and
nonassessable  shares of Common  Stock,  $.01 par value,  of the Company,  at an
exercise  price  per  share  equal to $1.25.  Such  exercise  price per share as
adjusted  from  time to time as herein  provided  is  referred  to herein as the
"Exercise  Price." The number and  character  of such shares of Common Stock and
the Exercise Price are subject to adjustment as provided herein.

         As used  herein,  the  following  terms,  unless the context  otherwise
requires, have the following respective meanings:

         (a) The term "Company"  shall include  GreenMan  Technologies,  Inc., a
         Delaware corporation, and any corporation which shall succeed or assume
         the obligations of the Company hereunder.


                                                        

<PAGE>



         (b) The term "Common  Stock"  includes (a) the Company's  Common Stock,
         $.01 par value per share, as authorized, (b) any other capital stock of
         any class or classes (however designated) of the Company, authorized on
         or after such date, the holders of which shall have the right,  without
         limitation as to amount,  either to all or to a share of the balance of
         current  dividends  and  liquidating  dividends  after the  payment  of
         dividends and  distributions on any shares entitled to preference,  and
         the holders of which shall ordinarily, in the absence of contingencies,
         be entitled to vote for the  election of a majority of directors of the
         Company  (even  though the right so to vote has been  suspended  by the
         happening of such a contingency),  (c) any other  securities into which
         or for  which  any of the  securities  described  in (a) or (b)  may be
         converted  or  exchanged  pursuant  to  a  plan  of   recapitalization,
         reorganization,  merger, sale of assets or otherwise, or the conversion
         of promissory notes or other obligations of the Company.

         (c) The term "Other  Securities" refers to any stock (other than Common
         Stock)  and  other  securities  of  the  Company  or any  other  person
         (corporate or  otherwise)  which the holder of this Warrant at any time
         shall be entitled to receive,  or shall have received,  on the exercise
         of the Warrant,  in lieu of or in addition to Common Stock, or which at
         any time shall be issuable or shall have been issued in exchange for or
         in  replacement  of Other  Securities  pursuant  to  Sections 3 or 4 or
         otherwise.

         1. Exercise of Warrant.

                  1.1. Full  Exercise.  This Warrant may be exercised in full by
the holder hereof by surrender of this Warrant, with the form of subscription at
the end hereof duly  executed by such  holder,  to the Company at its  principal
office,  accompanied by payment,  in cash or by certified or official bank check
payable to the order of the Company,  in the amount  obtained by multiplying the
number of shares of Common Stock for which this Warrant is then  exercisable  by
the Exercise Price then in effect.

                  1.2 Partial Exercise. This Warrant may be exercised in part by
surrender of this Warrant in the manner and at the place provided in Section 1.1
except that the amount  payable by the holder on such partial  exercise shall be
the amount  obtained  by  multiplying  (a) the number of shares of Common  Stock
designated  by the  holder  in the  subscription  at the end  hereof  by (b) the
Exercise Price then in effect. On any such partial exercise,  the Company at its
expense  will  forthwith  issue and  deliver  to or upon the order of the holder
hereof a new Warrant or Warrants of like tenor, in the name of the holder hereof
or as such holder (upon payment by such holder of any applicable transfer taxes)
may  request,  calling in the  aggregate  on the face or faces  thereof  for the
number of shares of Common Stock for which such Warrant or Warrants may still be
exercised.

         2. Delivery of Stock  Certificates on Exercise.  As soon as practicable
after the exercise of this  Warrant in full or in part,  and in any event within
sixty (60) days thereafter, the Company at its expense (including the payment by


                                       -2-

<PAGE>


it of any  applicable  issue  taxes)  will cause to be issued in the name of and
delivered to the holder  hereof,  or as such holder (upon payment by such holder
of any applicable  transfer taxes) may direct, a certificate or certificates for
the  number of fully  paid and  nonassessable  shares of Common  Stock (or Other
Securities)  to which such holder shall be entitled on such  exercise,  plus, in
lieu of any fractional  share to which such holder would  otherwise be entitled,
cash equal to such fraction  multiplied by the then current  market value of one
full share,  together  with any other  stock or other  securities  and  property
(including  cash,  where  applicable) to which such holder is entitled upon such
exercise pursuant to Section 1 or otherwise.

         3. Adjustment for Reorganization, Consolidation or Merger.

                  3.1  Reorganization,  Consolidation or Merger.  In case at any
time or from time to time,  the Company shall (a) effect a  reorganization,  (b)
consolidate  with or merge into any other person or entity,  or (c) transfer all
or  substantially  all of its properties or assets to any other person under any
plan or arrangement  contemplating the dissolution of the Company, then, in each
such case,  the holder of the  Warrant,  on the  exercise  hereof as provided in
Section  1  at  any  time  after  the   consummation  of  such   reorganization,
consolidation or merger or the effective date of such  dissolution,  as the case
may be,  shall  receive,  in lieu of the  Common  Stock  (or  Other  Securities)
issuable on such exercise prior to such consummation or such effective date, the
stock and other  securities and property  (including  cash) to which such holder
would have been  entitled  upon such  consummation  or in  connection  with such
dissolution,  as the case may be, if such holder had so exercised  this Warrant,
immediately  prior  thereto,  all subject to further  adjustment  thereafter  as
provided in Sections 4 and 5.

                  3.2   Continuation   of   Terms.   Upon  any   reorganization,
consolidation,  merger or transfer (and any dissolution  following any transfer)
referred to in this  Section 3, this  Warrant  shall  continue in full force and
effect and the terms hereof shall be applicable to the shares of stock and Other
Securities  and property  receivable  on the  exercise of the Warrant  after the
consummation of such  reorganization,  consolidation  or merger or the effective
date of dissolution  following any such transfer,  as the case may be, and shall
be binding upon the issuer of any such stock or other securities,  including, in
the case of any such transfer,  the person acquiring all or substantially all of
the  properties or assets of the Company,  whether or not such person shall have
expressly assumed the terms of this Warrant.

         4. Adjustments for Stock Dividends and Stock Splits.  In the event that
the Company shall (i) issue  additional  shares of Common Stock as a dividend or
other  distribution on outstanding  Common Stock, (ii) subdivide its outstanding
shares of Common Stock,  or (iii) combine its  outstanding  shares of the Common
Stock into a smaller  number of shares of the Common  Stock,  then, in each such
event,  the Exercise  Price  shall,  simultaneously  with the  happening of such
event,  be adjusted  by  multiplying  the then  prevailing  Exercise  Price by a
fraction,  the  numerator of which shall be the number of shares of Common Stock

                                       -3-

<PAGE>


outstanding  immediately prior to such event (calculated assuming the conversion
or exchange of all outstanding shares of convertible or exchangeable  securities
of the Company which are convertible or exchangeable  into, or exercisable  for,
shares of Common  Stock)  and the  denominator  of which  shall be the number of
shares of Common  Stock  outstanding  immediately  after such event  (calculated
assuming the conversion or exchange of all outstanding  shares of convertible or
exchangeable  securities of the Company which are  convertible  or  exchangeable
into, or exercisable  for, shares of Common Stock),  and the product so obtained
shall thereafter be the Exercise Price then in effect. The Exercise Price, as so
adjusted,  shall be  readjusted  in the same  manner upon the  happening  of any
successive  event or events  described  herein in this  Section 4. The holder of
this Warrant shall thereafter,  on the exercise hereof as provided in Section 1,
be  entitled  to receive  that number of shares of Common  Stock  determined  by
multiplying  the number of shares of Common Stock which would otherwise (but for
the provisions of this Section 4) be issuable on such exercise, by a fraction of
which (i) the numerator is the Exercise Price which would otherwise (but for the
provisions  of this  Section 4) be in effect,  and (ii) the  denominator  is the
Exercise Price in effect on the date of such exercise.

         5.   Adjustment   for   Dividends   in  Other   Stock,   Property   and
Reclassifications.  In case at any time or from  time to time,  the  holders  of
Common  Stock (or Other  Securities)  shall have  received,  or (on or after the
record date fixed for the  determination  of  stockholders  eligible to receive)
shall have become entitled to receive, without payment therefor,

         (a) other or additional stock or other securities or property (other 
         than cash) by way of dividend, or

         (b)  other  or  additional   stock  or  other  securities  or  property
         (including  cash)  by  way  of  spin-off,  split-up,  reclassification,
         recapitalization,   combination   of   shares  or   similar   corporate
         rearrangement,

other than additional shares of Common Stock (or Other  Securities)  issued as a
stock dividend or in a stock-split (adjustments in respect of which, in the case
of Common Stock,  are provided for in Section 4), then and in each such case the
holder of this Warrant,  on the exercise  hereof as provided in Section 1, shall
be  entitled  to  receive  the  amount  of other or  additional  stock and other
securities and property  (including cash in the cases referred to in subdivision
(b) of this Section 5) which such holder would hold on the date of such exercise
if on the  date of  distribution  of such  other  or  additional  stock or other
securities  and  property,  or on the  record  date  fixed for  determining  the
shareholders  entitled  to  receive  such  other  or  additional  stock or other
securities and property, such holder had been the holder of record of the number
of  shares  of  Common  Stock  called  for on the face of this  Warrant  and had
thereafter, during the period from the date thereof to and including the date of
such exercise,  retained such shares and all such other or additional  stock and
other  securities  and  property  (including  cash in the cases  referred  to in
subdivision (b) of this Section 5) receivable by such holder as aforesaid during
such period,  giving effect to all adjustments  called for during such period by
Sections 3 and 4.


                                       -4-

<PAGE>



         6. Notices of Record Date. In the event of

         (a) any taking by the  Company of a record of the  holders of any class
         or securities  for the purpose of determining  the holders  thereof who
         are  entitled to receive any  dividend  or other  distribution,  or any
         right to subscribe  for,  purchase or  otherwise  acquire any shares of
         stock of any class or any other  securities or property,  or to receive
         any other right, or

         (b) any capital  reorganization of the Company, any reclassification or
         recapitalization of the capital stock of the Company or any transfer of
         all or substantially  all the assets of the Company to or consolidation
         or merger of the Company with or into any other person, or

         (c) any voluntary or involuntary dissolution, liquidation or winding-up
         of the Company,

then and in each such event the  Company  will mail or cause to be mailed to the
holder of this Warrant a notice specifying (i) the date on which any such record
is to be taken for the  purpose of such  dividend,  distribution  or right,  and
stating the amount and character of such dividend,  distribution  or right,  and
(ii)   the   date  on   which   any   such   reorganization,   reclassification,
recapitalization,  transfer, consolidation,  merger, dissolution, liquidation or
winding-up is to take place,  and the time,  if any is to be fixed,  as of which
the holders of record of Common Stock (or Other Securities) shall be entitled to
exchange  their shares of Common Stock (or Other  Securities)  for securities or
other   property   deliverable   on   such   reorganization,   reclassification,
recapitalization,  transfer, consolidation,  merger, dissolution, liquidation or
winding-up.  Such notice  shall be mailed at least twenty (20) days prior to the
date specified in such notice on which any such action is to be taken.

         7.  Reservation of Stock  Issuable on Exercise on Warrant.  The Company
will at all times reserve and keep  available,  solely for issuance and delivery
on the exercise of the Warrant, all shares of Common Stock (or Other Securities)
from time to time issuable on the exercise of the Warrant;  the shares of Common
Stock  which the holder of this  Warrant  shall  receive  upon  exercise  of the
Warrant will be duly authorized, validly issued, fully paid and non-assessable.

         8.  Exchange of Warrant.  On surrender  for  exchange of this  Warrant,
properly  endorsed,  to the  Company,  the Company at its expense will issue and
deliver to or on the order of the holder  thereof a new  Warrant or  Warrants of
like  tenor,  in the name of such  holder or as such  holder (on payment by such
holder of any applicable transfer taxes) may direct, calling in the aggregate on
the face or faces thereof for the number of shares of Common Stock called for on
the face or faces of the Warrant or Warrants so surrendered.

         9.   Replacement  of  Warrant.   On  receipt  of  evidence   reasonably
satisfactory  to the Company of the loss,  theft,  destruction  or mutilation of
this Warrant  and, in the case of any such loss,  theft or  destruction  of this


                                       -5-

<PAGE>



Warrant,   on  delivery  of  an  indemnity   agreement  or  security  reasonably
satisfactory  in form and  amount  to the  Company  or,  in the case of any such
mutilation,  on surrender and  cancellation of such Warrant,  the Company at its
expense will execute and deliver, in lieu thereof, a new Warrant of like tenor.

         10.  Warrantholder  Not Deemed  Stockholder;  Restrictions on Transfer.
This Warrant is issued upon the following  terms, to all of which each holder or
owner hereof by the taking hereof consents and agrees:

         (a) No holder of this Warrant  shall,  as such, be deemed the holder of
         Common  Stock that may at any time be  issuable  upon  exercise of this
         Warrant for any purpose whatsoever, nor shall anything contained herein
         be construed to confer upon such holder,  as such, any of the rights of
         a stockholder of the Company until such holder shall have exercised the
         Warrant and been issued shares of Common Stock in  accordance  with the
         provisions hereof.

         (b)  Neither  this  Warrant  nor any shares of Common  Stock  purchased
         pursuant to this Warrant shall be registered  under the  Securities Act
         of 1933 (the  "Securities  Act") and applicable  state securities laws.
         Therefore,  the Company may  require,  as a condition  of allowing  the
         transfer or exchange of this Warrant or such shares, that the holder or
         transferee of this Warrant or such shares,  as the case may be, furnish
         to the Company an opinion of counsel  acceptable  to the Company to the
         effect that such transfer or exchange may be made without  registration
         under the  Securities  Act and applicable  state  securities  laws. The
         certificates  evidencing  the  shares  of  Common  Stock  issued on the
         exercise  of the  Warrant  shall bear a legend to the  effect  that the
         shares  evidenced by such  certificates  have not been registered under
         the Securities Act and applicable state securities laws.

         (c) This Warrant is not transferable or assignable to any party without
         the prior  written  consent  of the  Company  and an opinion of counsel
         satisfactory  to the Company that such  transfer is  permissible  under
         applicable law.

         11. Notices.  All notices and other  communications from the Company to
the holder of this  Warrant  shall be mailed by (i) first  class  mail,  postage
prepaid,  (ii) electronic  facsimile  transmission,  or (iii) express  overnight
courier  service,  at such address as may have been  furnished to the Company in
writing by such  holder or,  until any such holder  furnishes  to the Company an
address, then to, and at the address of, the last holder of this Warrant who has
so furnished an address to the Company.

         12.  Lock-Up  Agreement for Public  Offering.  In  connection  with any
public offering of equity securities of the Company,  the  Warrantholder  agrees
not to sell,  pledge,  transfer or otherwise  dispose of, or grant any option or
purchase  right with  respect to, any shares of capital  stock then owned by him
and not otherwise  offered in the public offering,  or engage in any short sale,
hedging  transaction  or other  derivative  security  transaction  involving the
Common  Stock,  or other  shares of Common Stock of the Company held by him, for


                                       -6-

<PAGE>



such period of time  commencing 30 days prior to the proposed  effective date of
such public  offering  until such period of time  following  the offering as the
Company and the managing  underwriter of such public  offering deem necessary in
order to ensure a stable and orderly trading market.

         13.  Miscellaneous.  This  Warrant  and any term hereof may be changed,
waived,  discharged or terminated only by an instrument in writing signed by the
party against which enforcement of such change, waiver, discharge or termination
is sought.  This Warrant and the shares of Common Stock  underlying this Warrant
shall be construed and enforced in  accordance  with and governed by the laws of
the  State of  Delaware.  The  headings  in this  Warrant  are for  purposes  of
reference only, and shall not limit or otherwise affect any of the terms hereof.
The  invalidity  or  unenforceability  of any  provision  hereof shall in no way
affect the validity or enforceability of any other provision.

         14. Expiration. The right to exercise this Warrant shall expire at 5:00
p.m., Eastern Standard Time, on January 9, 1998.


Dated:  January 10,  1997


ATTEST:                                  GREENMAN TECHNOLOGIES, INC.


By:__________________________            By:___________________________
Title:  Assistant Secretary              Title:  Chief Executive Officer

                                       -7-

<PAGE>



                              FORM OF SUBSCRIPTION
                   (To be signed only on exercise of Warrant)


To GreenMan Technologies, Inc.

         The undersigned,  the holder of the within Warrant,  hereby irrevocably
elects to exercise  this Warrant for, and to purchase  thereunder,  ____________
shares of Common Stock of GreenMan  Technologies,  Inc., a Delaware corporation,
and herewith  makes  payment of  $____________  therefor,  and requests that the
certificates  for  such  shares  be  issued  in the name of,  and  delivered  to
_________________________, whose address is _________________________.

         The  undersigned  represents that it is not a U.S. Person as defined in
Regulation S promulgated  under the Securities  Act of 1933, as amended,  and is
not   converting   the   Debenture  on  behalf  of  any  U.S.   Person  and  the
representations  contained in the Subscription Agreement are true as of the date
hereof.

Dated:                    
                          (Signature must conform to name of holder as specified
                          on the face of the Warrant)

                          

                          
                                          (Address)



                                       -8-

<PAGE>




                               FORM OF ASSIGNMENT
                   (To be signed only on transfer of Warrant)

         For  value  received,   the  undersigned  hereby  sells,  assigns,  and
transfers  unto  _________________________  the right  represented by the within
Warrant  to   purchase   ____________   shares  of  Common   Stock  of  GreenMan
Technologies, Inc., a Delaware corporation, to which the within Warrant relates,
and appoints  _________________________  Attorney to transfer  such right on the
books of GreenMan Technologies, Inc., a Delaware corporation, with full power of
substitution in the premises.

Dated:                  
                        (Signature must conform to name of holder as specified
                        on the face of the Warrant)

                        

                                          (Address)

Signed in the presence of:


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