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                           GENERAL SECURITY AGREEMENT

         THIS GENERAL SECURITY  AGREEMENT,  dated effective as of the 7th day of
November,  2006,  (this  "Agreement"),  is entered  into by and between  QUANTUM
ENERGY, INC., a Nevada corporation ("Debtor"), and NITRO PETROLEUM INCORPORATED,
a Nevada corporation ("Creditor").

                                   WITNESSETH

         WHEREAS, Debtor executed and delivered to Creditor a promissory note in
the  amount  of  $400,000  bearing  interest  at 10% per annum  with the  entire
principal and interest due and payable on February 28, 2007,  (the "Note"),  the
payment of which Note and the obligations evidenced thereby is to be secured by,
among other things, this Agreement;

         WHEREAS, the Debtor wishes to secure (i) the payment of the obligations
evidenced  by the Note and any  promissory  note taken in  renewal,  exchange or
substitution thereof or therefor, including interest on all of the foregoing and
all costs of  collecting  the same,  (ii) the  performance  and  payment  of the
Debtor's  obligations  and  liabilities  under  this  Agreement  and  all  other
documents  prepared,  executed and delivered in connection  therewith  (together
with the Note, the "Loan  Documents")  however created,  arising,  or evidenced,
whether direct or indirect, primary or secondary,  absolute or contingent, joint
or several, or now or hereafter existing, or due or to become due, and (iii) the
performance and payment of any and all other  obligations and liabilities of the
Debtor to Creditor however  created,  arising,  or evidenced,  whether direct or
indirect, primary or secondary, absolute or contingent, joint or several, or now
or  hereafter  existing,  or due or to become  due (all of the  obligations  and
liabilities   described  in  the  preceding   clauses   (i)-(iii)  being  herein
collectively called the "Liabilities"),

         NOW,  THEREFORE,  in  consideration  of the  premises and of the mutual
covenants herein contained and of the direct and indirect benefits to the Debtor
as a result of the foregoing, the parties hereto agree as follows:

         SECTION 1.        Definitions.  Unless  otherwise  defined  herein,
                           -----------
capitalized  words used herein shall have the meaning assigned to such term in
the Nevada Uniform Commercial Code.

         SECTION 2.        Grant of Security Interest.
                           --------------------------

                  (a)  As   collateral   security   for  the  due  and  punctual
         performance  and  payment of all the  Liabilities,  the  Debtor  hereby
         assigns  to the  Creditor,  and  grants to the  Creditor  a  continuing
         security  interest in all of the  following  (collectively  referred to
         herein as the "Collateral"),  whether now or hereafter existing, owned,
         licensed, leased, consigned, arising or acquired:

                           (i) Inventory.  All of the following,  whether now or
                               ----------
                  hereafter  existing,  which  are  owned by  Debtor or in which
                  Debtor  otherwise  has any rights:  (i)  Inventory  in all its
                  forms  and of any  kind,  (ii)  Goods in which  Debtor  has an
                  interest in mass or a joint or other  interest or right of any
                  kind,  (iii) Goods which are  returned  to or  repossessed  by
                  Debtor,  and (iv) all accessions  thereto and products thereof
                  and documents therefor.

                           (ii) Equipment.  All equipment in any form and of any
                                ---------
                  kind, whether now or hereafter existing, owned by Debtor or in
                  which  Debtor  otherwise  has any rights,  including,  without
                  limitation, any and all equipment that constitutes fixtures.

                           (iii) Receivables.  All of the following, whether now
                                 -----------
                  or hereafter  existing,  which are owned by Debtor or in which
                  Debtor otherwise has any rights: (i) all accounts of any kind,
                  (ii) all chattel paper,  documents and instruments of any kind
                  relating to such  accounts or arising out of or in  connection
                  with the sale or lease of Goods or the  rendering of services,
                  and (iii) all rights in, to or under all security  agreements,
                  leases and other contracts  securing or otherwise  relating to
                  any such accounts, chattel paper, documents, or instruments.

                                       1

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                           (iv) Contract Rights,  General Intangibles,  etc. All
                                -------------------------------------------
                  of the following, whether now or hereafter existing, which are
                  owned by Debtor or in which Debtor  otherwise  has any rights:
                  all  contract  rights  and  general  intangibles  of any  kind
                  (including  but not limited to choses in action,  tax refunds,
                  and  insurance  proceeds)  and all chattel  paper,  documents,
                  instruments,  security agreements, leases, other contracts and
                  money,   and  all  other  rights  of  Debtor   (except   those
                  constituting  Receivables) to receive payments of money or the
                  ownership of property.

                           (v) Other Property. To the extent not included in the
                               ---------------
                  foregoing, all of the personal property, rights and interests,
                  present and future,  tangible and intangible,  which are owned
                  by  Debtor  or in  which  Debtor  otherwise  has  any  rights,
                  including without limitation all accounts,  Goods,  Inventory,
                  fixtures, chattel paper, documents and general intangibles.

                           (vi)  Proceeds.  All  proceeds  and  products of, and
                                 ---------
                  accessions to, any and all of the foregoing and, to the extent
                  not otherwise included,  any payments under insurance (whether
                  or not Secured  Party is the loss payee  thereof) or under any
                  indemnity,  warranty  or  guaranty  by  reason  of  loss to or
                  otherwise with respect to any of the foregoing.

                  (b) The  security  interest  granted to Creditor  hereunder is
         given to secure  (i)  payment of the Note  executed  and  delivered  by
         Debtor  to  Creditor,  as  hereafter  amended,  supplemented,  renewed,
         extended  and/or  modified,  payable as to  principal  and  interest as
         therein provided; (ii) future advances, if any, to be evidenced by like
         notes to be made by Creditor to Debtor at Creditor's sole option; (iii)
         all  expenditures  by  Creditor  for taxes,  insurance,  repairs to and
         maintenance of the  Collateral  and all costs and expenses  incurred by
         Creditor  in the  collection  and  enforcement  of the note  and  other
         indebtedness of Debtor;  and (iv) all Liabilities of Debtor to Creditor
         now existing or hereafter  incurred,  matured or  unmatured,  direct or
         contingent,  and any renewals and extensions  thereof and substitutions
         therefor.

         SECTION 3.  Representations  and Warranties of Debtor. As an inducement
                     -----------------------------------------
         to Creditor to enter into this  Agreement  and to  consummate  the
         transactions contemplated hereby, Debtor represents,  covenants and
         warrants to Creditor and agrees as follows:

                  (a)  Organization.  Debtor is a  corporation  duly  organized,
                       ------------
         validly  existing,  and in good standing under the laws of the state of
         Nevada and has the power and is duly authorized, qualified, franchised,
         and licensed under all applicable laws,  regulations,  ordinances,  and
         orders of public  authorities  to own all its properties and assets and
         to carry on its  business in all  material  respects as it is now being
         conducted,   including  qualification  to  do  business  as  a  foreign
         corporation  in the states in which the  character  and location of the
         assets  owned by it or the  nature  of the  business  transacted  by it
         requires qualification,  except to the extent the failure to so qualify
         would not  materially  and adversely  affect the business,  operations,
         properties,  assets or condition  of Debtor.  Debtor has full power and
         authority  to own or lease and to  operate  and use the  portion of the
         Collateral owned by it and to carry on its business as now conducted.

                  (b) Authority of Debtor.  Debtor has taken all action required
                      -------------------
         by law, its articles of incorporation or articles of organization,  its
         bylaws or operating agreement,  or otherwise to authorize the execution
         and delivery of this Agreement and the consummation of the transactions
         herein  contemplated.  Debtor has full power and  authority to execute,
         deliver and perform this Agreement and all of the Loan Documents.  This
         Agreement  is  the  legal,  valid,  and  binding  agreement  of  Debtor
         enforceable between the parties in accordance with its terms, except as
         such  enforcement  may be limited by bankruptcy,  insolvency,  or other
         laws affecting enforcement of creditors rights generally and by general
         principles of equity. The execution and delivery of this Agreement does
         not, and the  consummation  of the  transactions  contemplated  by this
         Agreement in  accordance  with the terms  hereof will not,  violate any
         provision of Debtor's  articles of  incorporation or bylaws or violate,
         conflict  with,  result  in  a  breach  of  the  terms,  conditions  or
         provisions of, or constitute a default, an event of default or an event
         creating rights of acceleration,  termination or cancellation or a loss
         of rights  under,  or  result  in the  creation  or  imposition  of any
         encumbrance upon any of the Collateral,  under any other material note,
         instrument,  agreement,  mortgage, lease, license, franchise, permit or
         other authorization,  right,  restriction or obligation to which Debtor
         or any of the Collateral is subject or by which Debtor is bound.

                                       2

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                  (c) Title to  Property.  Debtor  has, or will have at the time
         such  Collateral is created or acquired,  good and marketable  title to
         all of the Collateral,  free and clear of all  encumbrances  except for
         the security  interest granted  hereunder.  No UCC financing  statement
         covering any of the  Collateral  is on file in any public  office other
         than  those  that  reflect  the  security   interest  created  by  this
         Agreement.  All information with respect to the Collateral set forth in
         any schedule,  certificate  or other writing at any time  heretofore or
         hereafter  furnished by Debtor to the  Creditor,  and all other written
         information   heretofore  or  hereafter  furnished  by  Debtor  to  the
         Creditor, is and will be true and correct as of the date furnished.

         SECTION 4.  Certificates,  Schedules and Reports.  The Debtor will from
time  to time  deliver  to the  Creditor  such  additional  schedules  and  such
certificates and reports with respect to all or any of the Collateral subject to
the security interest hereunder as the Creditor may reasonably request. Any such
schedule,  certificate or report shall be executed by a duly authorized  officer
of the Debtor and shall be in such form and detail as the Creditor may specify.

         SECTION 5.      Agreements of the Debtor.  Debtor  covenants and agrees
                         -----------------------
that,  until the  satisfaction of all of its obligations under the terms of this
Agreement and the Loan Documents, it will :

                  (a) upon request of the  Creditor,  execute such UCC financing
         statements and other documents (and pay the cost of filing or recording
         the same or this Agreement in all public  offices  deemed  necessary or
         appropriate by the Creditor) and do such other acts and things,  all as
         the Creditor may from time to time request, to establish and maintain a
         valid, perfected security interest in the Collateral (free of all other
         liens,  claims and rights of third  parties  whatsoever)  to secure the
         performance and payment of the Liabilities;

                  (b)  keep  all its  Inventory  and  other  Goods,  unless  the
         Creditor shall otherwise consent in writing,  at the location disclosed
         to Creditor and not remove the Collateral  from that location except in
         the ordinary course of business;

                  (c)      keep the Collateral separate and identifiable;

                  (d)  keep  its  records   concerning   Accounts   and  General
         Intangibles at the location  disclosed to Creditor,  which records will
         be of such  character as will enable the  Creditor or its  designees to
         determine at any time the status thereof;

                  (e)      furnish the Creditor such information  concerning the
         Debtor and the Collateral as the Creditor may from time to time
         reasonably request;

                  (f) permit the Creditor and its designees,  from time to time,
         to inspect Debtor's  Inventory and other Goods,  and to inspect,  audit
         and make copies of and  extracts  from all records and all other papers
         in the  possession of the Debtor which pertain to the  Collateral,  and
         will, upon request of the Creditor, deliver to the Creditor all of such
         records and papers which pertain to the Collateral;

                  (g)  upon  request  of the  Creditor,  stamp  on  its  records
         concerning  the  Collateral  (and/or  enter  in  its  computer  records
         concerning  the  Collateral) a notation,  in form  satisfactory  to the
         Creditor, of the security interest of Creditor hereunder;

                  (h) except in the ordinary course of its business, without the
         prior written consent of Creditor, not sell, lease, assign or create or
         permit to exist any  encumbrance  on any  Collateral  to or in favor of
         anyone other than the Creditor or as set forth herein;

                  (i) at all  times  keep  all its  Inventory  and  other  Goods
         insured  against loss,  damage,  theft and other risks, in such amounts
         and  companies  and under  such  policies  and in such form as shall be
         satisfactory  to the Creditor,  which  policies shall provide that loss
         thereunder shall be payable to Creditor as its interest may appear (and
         the  Creditor  may apply any  proceeds of such  insurance  which may be
         received by it toward payment of the  Liabilities,  whether or not due,
         in such order of  application  as the Creditor may  determine) and that
         ten (10) days prior written  notice of  cancellation  shall be given to
         Creditor  and such  policies  or  certificates  thereof  shall,  if the
         Creditor so requests, be deposited with or furnished to the Creditor;

                                       3

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                  (j)      keep its  Inventory,  Equipment and other Goods (as
         applicable) in as good repair and condition   and in as good working or
         running order as of the date hereof;

                  (k) comply with all laws,  rules and regulations  relating to,
         and promptly pay when due all license fees,  registration  fees, taxes,
         assessments  and other  charges  which may be levied  upon or  assessed
         against, the ownership,  operation,  possession,  maintenance or use of
         its Equipment and other Goods (as  applicable)  and will not relinquish
         or  terminate  any rights,  qualifications,  licenses,  or permits that
         would  materially  and  adversely  affect its  financial  condition  or
         business;  provided,  however, that the Debtor shall not be required to
         comply with any such law, rule or  regulation,  or to pay any such fee,
         tax,  assessment  or  other  charge,  the  validity  of  which is being
         contested by the Debtor in good faith by  appropriate  proceedings,  so
         long as forfeiture of any part of its Equipment or other Goods will not
         result from the failure of the Debtor to comply with any such law, rule
         or regulation, or to pay any such fee, tax, assessment or other charge,
         during the period of such contest;

                  (l)      cause to be noted on the  applicable  certificate, in
         the event any of its Equipment is covered by a certificate of title,
         the security interest of the Creditor in the Equipment covered thereby;

                  (m) use its best  efforts  consistent  with  prudent  business
         practices   to  preserve   and   maintain  its  business  and  business
         organization  intact; to preserve its goodwill;  to pay its obligations
         as  they  mature;   to  retain  its   employees;   and  to  retain  its
         relationships with customers;

                  (n)      without the prior written consent of Creditor,  not
         enter into any agreement for the sale of all or substantially all of
         its assets;

                  (o)  furnish  written  notice  to the  Creditor,  as  soon  as
         possible after the occurrence from time to time thereof,  of any change
         in the location of any portion of the  Collateral or in the name of the
         Debtor;

                  (p)  reimburse  Creditor  on  demand  for  any  payments  made
         pursuant to Section 6 hereof  together  with  interest on the amount of
         any such  payment at ten  percent  (10%) per annum from date of payment
         until  reimbursement,  which amounts shall be added to the  Liabilities
         owed by Debtor and shall be secured by the  security  interest  granted
         hereunder;

                  (q)  reimburse  the  Creditor  for  all  expenses,   including
         reasonable attorneys' fees and legal expenses, incurred by the Creditor
         in seeking to collect or enforce any rights under the  Collateral  and,
         in case of  Default,  incurred by the  Creditor  seeking to collect the
         Note and all other Liabilities and to enforce its rights hereunder; and

                  (r) timely  file all tax  returns  required by law to be filed
         with respect to the  operations  of Debtor and pay all taxes imposed on
         Debtor for all taxable periods ending during such periods.

         SECTION 6. Payment of Expenses.  At its option,  Creditor may discharge
                    -------------------
taxes, liens,  security  interests,  or other encumbrances on the Collateral and
may pay for the  repair of any damage to the  Collateral,  the  maintenance  and
preservation thereof and for insurance thereon.

                                       4

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         SECTION 7.        Default.
                           -------

                  (a)      Event of Default.  An Event of Default  shall be
                           ----------------
deemed to have  occurred  upon the happening of   any of the following events or
conditions:

                                    (i)    The occurrence of an event of default
                           under the Note;

                                    (ii)  The   default   in  the   payment   or
     performance of any term, obligation, covenant or liability contained or
     referred to herein or in the Note that is not cured or remedied within 10
     days after notice thereof from Creditor;
                                    (iii)  Any   warranty,   representation   or
     statement made or furnished to the Creditor by or in behalf of Debtor
     proves to have been false in any material respect when made or furnished;
                                    (iv)  The   occurrence  of  any  event  that
     results in the acceleration of the maturity of the indebtedness of Debtor
     to others under any indenture, agreement or undertaking;

                                    (v)     The loss, theft, substantial damage,
destruction,  sale or encumbrance to or of any of the Collateral, or the making
of any levy, seizure or attachment thereof or thereon;

                                    (vi) Creditor  reasonably  believes that the
     prospect of payment of any indebtedness secured hereby or the performance
     of this Agreement is impaired; or

                                    (vii)  The   dissolution,   termination   or
     existence, insolvency, business failure, appointment of a receiver for any
     part of the Collateral, assignment for the benefit of creditors or the
     commencement of any proceeding under any bankruptcy or insolvency law by or
     against either Debtor or any guarantor or surety of Debtor.

                  (b)     Remedies.  Upon the occurrence of an Event of Default,
                          --------
and at any time thereafter,Creditor may exercise any one or all of the following
remedies:

                           (i)   Declare   all   obligations    secured   hereby
         immediately  due and payable and proceed to enforce payment of the same
         and exercise from time to time any rights and remedies available to  it
         under  the  Loan  Documents and applicable law; or

                           (ii)    Exercise such other right or remedy available
         to Creditor, at law or in equity.

         The Debtor agrees, in case of an Event of Default, to assemble,  at its
         expense,  all its  Inventory  and other Goods at a convenient  place or
         places  acceptable  to  the  Creditor.  Any  notification  of  intended
         disposition of any of the  Collateral  required by law, shall be deemed
         reasonably and properly given if given at least thirty (30) days before
         such  disposition.  Any proceeds of any  disposition by the Creditor of
         any of the Collateral  secured hereby may be applied by the Creditor to
         the payment of expenses in connection  with the  Collateral,  including
         reasonable attorneys' fees and legal expenses,  and any balance of such
         proceeds may be applied by the  Creditor  toward the payment of such of
         the Liabilities,  and in such order of application, as the Creditor may
         from time to time elect.

                                       5

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         SECTION 8.        Miscellaneous  Provisions.
                           -------------------------

                  (a) The parties  shall  execute and deliver all  documents  or
         instruments,  provide all  information,  and take or forebear  from all
         such action as may be necessary or  appropriate to achieve the purposes
         of this Agreement.

                  (b) Any notices,  demands,  requests,  or other communications
         required or permitted  hereunder shall be deemed  sufficiently given if
         in  writing  and  if  personally   delivered;   if  sent  by  facsimile
         transmission or other electronic communication, confirmed by registered
         or certified mail,  postage prepaid,  or if sent by prepaid telegram or
         overnight courier addressed as follows:

                  If to Creditor, to:            Nitro Petroleum
                                                 #29 - 3800 Pinnacle Way
                                                 Gallaghers Cannyon
                                                 Kelowna, StateBC

                  If to Debtor, to:              Quantum Energy, Inc.
                                                 1880-1066 West Hastings Street
                                                 Vancouver, StateBC

         or such other addresses and facsimile  numbers as shall be furnished in
         writing  by any  party  in the  manner  for  giving  notices,  demands,
         requests,  or other  communications  hereunder,  and any such notice or
         communication  shall be  deemed  to have  been  given as of the date so
         delivered  or  sent  by  facsimile  transmission  or  other  electronic
         communication,  three days  after the date so mailed,  or one day after
         the date so telegraphed or sent by overnight delivery.

                  (c) No delay on the part of the  Creditor  in the  exercise of
         any right or remedy shall operate as a waiver thereof, and no single or
         partial  exercise by the Creditor of any right or remedy shall preclude
         other or further exercise thereof or the exercise of any other right or
         remedy.

                  (d)  This  Agreement  and the  documents  referred  to  herein
         constitute  the entire  agreement  among the parties  pertaining to the
         subject  matter  hereof,   and  supersede  all  prior   agreements  and
         understandings  pertaining  thereto.  No amendment to,  modification or
         waiver of, or consent with respect to, any provision of this  Agreement
         shall in any event be effective unless the same shall be in writing and
         signed and  delivered  by the  Creditor,  and then any such  amendment,
         modification, waiver or consent shall be effective only in the specific
         instance and for the specific purpose for which given.

                  (e)  Section   captions   used  in  this   Agreement  are  for
         convenience of reference only, and shall not affect the construction of
         this Agreement.

                  (f)  This   Agreement   may  be  executed  in  any  number  of
         counterparts and by the different parties on separate  counterparts and
         each such counterpart  shall be deemed to be an original,  but all such
         counterparts shall together constitute but one and the same Agreement.

                  (g) This Agreement  shall be construed in accordance  with and
         governed  by  the  laws  of the  state  of  placeStateNevada,  subject,
         however,  to the  applicability  of the  UCC of any  state  in  which a
         financing  statement  must be  filed in order  to  perfect  a  security
         interest in any of the Collateral at any given time.  Whenever possible
         each provision of this Agreement shall be interpreted in such manner as
         to be effective and valid under applicable law, but if any provision of
         this Agreement shall be prohibited by or invalid under  applicable law,
         such provision  shall be ineffective to the extent of such  prohibition
         or invalidity,  without invalidating the remainder of such provision or
         the remaining provisions of this Agreement.

                  (h) This  Agreement  shall be binding  upon,  and inure to the
         benefit  of,  the  parties  and  their  respective  heirs,   executors,
         administrators,   successors,   legal  representatives,   and  assigns;
         provided,  that this  provision  shall not be construed  as  permitting
         assignment,  substitution,  delegation,  or other transfer of rights or
         obligations,  except strictly in accordance with the provisions of this
         Agreement.

                                       6

<page>

                  (i)  Neither  the rights nor the duties of a party  under this
         Agreement  may be assigned or  delegated by either party in whole or in
         part without the prior written consent of the other party.

                  (j) At  the  option  of the  Creditor,  this  Agreement,  or a
         carbon,  photographic or other reproduction of this Agreement or of any
         UCC financing  statement covering the Collateral or any portion thereof
         shall be sufficient  as a UCC  financing  statement and may be filed as
         such.

         IN WITNESS WHEREOF,  this Agreement has been duly executed effective as
of the day written above.

                                          Debtor:

                                          QUANTUM ENERGY, INC.

                                          By /s/ Ted Kozub
                                          -----------------------------

                                          Creditor:

                                          NITRO PETROLEUM INCORPORATED

                                          By /s/ Ted Kozub
                                          ------------------------------Exhibit 10.52

                              MOTOR VEHICLE LEASE

      This lease agreement is made this 29th day of December, 2005 by and
between Maust Asset Management Company, LLC., a corporation organized and
existing under the laws of the State of Minnesota (hereinafter referred to as
"Lessor"), and GreenMan Technologies of Minnesota, Inc., a corporation organized
and existing under the laws of the State of Minnesota (hereinafter referred to
as "Lessee"). Whereas GreenMan desires to lease a semi tractor described herein
from Maust Asset Management Company, LLC for the purpose of hauling tires and
tire derived products, the Lessor and the Lessee now agree as follows:

      1.    MOTOR VEHICLES COVERED Subject to the terms and conditions of this
            lease, Lessor leases to Lessee and Lessee leases from Lessor the
            motor vehicle described herein as follows:

            2006 Western Star Tractor VIN# 5KJJAECVX6PU19594 (Unit # 138)

            For the purposes of this lease, motor vehicle shall be defined as an
            semi tractor listed above. Such vehicle is to be used in the normal
            and ordinary course of Lessee's business at the location set forth
            herein.

      2.    NATURE OF CONTRACT This is a contract of leasing only. Lessee does
            not, by this lease, acquire any right, title or interest in or to
            the property described in this leasing agreement.

      3.    SERVICES COVERED Lessee, at its own cost and expense, unless
            otherwise expressly provided in this lease shall:

            a.    Provide suitable and adequate repair and maintenance services,
                  including changing oil, lubricating, inspecting the vehicle;

            b.    Maintain the vehicle in good repair, mechanical condition, and
                  running order;

            c.    Furnish all necessary fuel, oil, and other lubricants
                  necessary for the operation of the vehicle;

            d.    General maintenance including regular brake inspections and
                  changes, tires, and all other mechanical maintenance. Said
                  maintenance shall take place while the vehicle is not in use.

            e.    Pay for comprehensive, physical damage, and liability
                  insurance as provided for herein;

            f.    Provide vehicle registration plates for the respective vehicle
                  (or reimburse lessor);

            g.    Pay all applicable fuel tax;

            h.    Provide and pay for their own drivers;

            i.    Pay all heavy road use tax assessed on the vehicle starting
                  January 2006 (or reimburse lessor);

            j.    Pay for any extraordinary damages or expenses incurred.

            k.    Provide for annual D.O.T. certification.

<PAGE>

      4.    VEHICLE CONDITION The vehicle shall be in a neat and proper
            appearance, good repair, mechanical condition and in good working
            running order when delivered to Lessee and said condition shall be
            accepted by Lessee as such unless immediate written notice to the
            contrary is given at the time of acceptance.

      5.    TIRES Lessee shall provide, at its own cost and expense, all
            necessary tires for the vehicle. Lessee's drivers will not operate
            any of the vehicles on a flat tire or on any tire or tires that do
            not contain sufficient air pressure so as to prevent damage to the
            tires other than normal and ordinary wear and tear. Any damage to
            tires which occurs because of a drivers or Lessee's negligence,
            carelessness, recklessness or abusive handling of the vehicle; or
            replacement/repair of the tires shall be borne by Lessee

      6.    INSPECTION Lessee shall deliver or make available the vehicles for
            inspection by Lessor as reasonably requested by Lessor. Said
            inspections shall be made at reasonable place and times so as to
            eliminate, insofar as possible, any interruptions to Lessee's
            service.

      7.    REPAIRS All vehicle repairs shall be the responsibility of the
            lessee.

      8.    FUEL AND LUBRICANTS Lessee shall procure and provide all fuel and
            other lubricants required for the operation of vehicles under this
            lease. Lessee shall use the supplies or suppliers designated or
            approved by vehicle manufacturer.

      9.    LEASE AND RENTAL CHARGES As consideration for this lease, Lessee
            agrees to pay Lessor a deposit of $0.00 dollars includes no
            maintenance, which will be held by Lessor and which can be used as
            rent or for damages caused to the vehicle by Lessee. After placing
            the deposit, Lessee shall pay as base rent for the vehicle for the
            entire original term set forth herein in a minimum amount of per
            month. This sum is a fixed rental charge per month for the use and
            operation of the vehicle and does not include any other
            extra-ordinary charge or costs which may be added as allowed under
            this lease. This base rent of $2800.00 dollars per month, shall be
            paid the first day of each month or next business day should the
            first fall on a weekend, each month commencing January 1, 2006 to
            and including December 1, 2010. All applicable sales tax (and
            remittance of sales tax) is the responsibility of the Lessee.

      10.   BUY-OUT PROVISION At the discretion of the Lessor, the Lessor may
            offer a buy-out option as of January 1, 2011; the optional fixed
            purchase price is $15,000.00.

      11.   MILEAGE RECORDS Lessee shall furnish to Lessor the mileage readings
            for the vehicle upon request.

      12.   LEASE TERM This lease shall be for a period of 60 months beginning
            at 12:01 a.m. local time on January 1, 2006 and expiring at 12:01
            a.m. local time on January 1, 2011.

<PAGE>

      13.   OBLIGATION TO INSURE Lessee, at its sole cost, shall provide and
            maintain during the term of this lease, a policy of comprehensive
            and liability insurance containing the coverage, exceptions, and
            exclusions that are ordinarily contained in liability policies for
            vehicles of this nature and written for the locality where the
            vehicles is operated. Such policy shall insure Lessor and Lessee and
            their respective agents and employees with respect to liability as a
            result of the ownership, maintenance, use or operation of the
            vehicle furnished by Lessor to Lessee. Such insurance shall be
            primary and not excess or contributory, with respect to any accident
            involving the vehicle and shall afford bodily injury liability
            limits of not less than Three Hundred Thousand Dollars ($300,000.00)
            for injury or death of one person in any one accident and subject to
            such limit per person to a total liability of Ten Million Dollars
            ($10,000,000.00) for all persons injured or killed in the same
            accident and coverage for physical damage, destruction or loss of
            use of the of asset(s) as a result of one accident, except that
            Lessor shall not be liable for damage to property owned by or rented
            to Lessee. Comprehensive insurance coverage shall be in an amount
            equal to the replacement value of the vehicle and all policies
            herein shall list Lessor as the owner and secondarily insured.

      14.   CERTIFICATE OF INSURANCE Lessee shall provide or cause the insurer
            to provide or furnish to Lessor a certificate of insurance showing
            the amounts of coverage listed herein and further showing Lessor as
            listed in the coverage. Said certificate shall also provide that
            said policy shall not be cancelled or modified without first
            providing written notice to Lessor within sixty (60) days from the
            expiration of the policy.

      15.   LIABILITY IN EXCESS OF INSURANCE Lessee shall further indemnify and
            hold Lessor and its agents and employees harmless from and against
            all loss, liability and expense, including attorney fees and court
            costs, in excess of any insurance coverage provided for herein, as a
            result of bodily injury, death or property damage caused by or
            arising out of the ownership, use or operation of the vehicle or
            vehicles subject to this lease.

      16.   REPORTS OF ACCIDENTS If a vehicle furnished by Lessor to Lessee
            pursuant to this agreement is involved in any accident, Lessee shall
            cause its agents and employees to notify Lessor as soon as available
            with respect to GreenMan's accident reporting policies. Lessee
            understands the employee is to report the incident to Police/Rescue
            Service as may be necessary first and foremost, to ensure the safety
            of personnel and property, then GreenMan's Safety
            department/Supervisor upon which, GreenMan's Safety department will
            coordinate with Lessee. Thereafter, as soon as practical, Lessee
            shall supply to Lessor a written report, giving all information
            relative to the accident. Lessee shall cooperate fully in any
            investigation and defense of all claims made which arise out of the
            accident. Lessee shall cooperate fully in any investigation and
            defense of all claims made which arise out of the accident. Lessee
            shall promptly deliver to Lessor any and all papers, notices,
            summonses, processes and documents whatsoever served upon or
            delivered to Lessee or Lessee's agents in connection with any claim,
            suit or action relative to Lessee, which arises out of the use of
            the vehicle.

      17.   DRIVERS OF VEHICLE All vehicles leased to Lessee under this lease
            shall be operated by safe, careful, legally qualified and properly
            licensed and insured drivers. Such drivers shall be selected,
            employed, controlled and paid by Lessee. Such drivers are
            conclusively presumed to be the employees of Lessee only. Lessee
            shall cause the vehicle to be operated with reasonable care and
            precaution to prevent loss, injury or damage to such vehicle or
            other property. Lessee's drivers shall comply with all reasonable
            regulations, state, federal or local, and all reasonable regulations
            required by Lessor insofar as such regulations relate to the safe
            and proper use of the vehicle provided for in this lease.

<PAGE>

      18.   COMPLIANCE WITH LAWS The leased vehicle, while in possession, care,
            custody and control of the Lessee will not be operated in excess of
            its respective rated maximum weights or capacity. If it is damaged
            in any way due to overloading, Lessee shall immediately pay to
            Lessor the amount of any and all damages and losses it may sustain.
            No vehicles subject to this lease shall be used in violation of any
            federal, state or local statute, regulation or ordinance applicable
            to the operation of said vehicle. As to the use or operation of any
            said vehicles, Lessee shall hold Lessor harmless from any and all
            fines, forfeitures or penalties for traffic violations or the
            violation of any statute, law, ordinance, rule or regulation from
            any constituted public authority. Lessee shall not use or allow the
            vehicle to be used for any unlawful purpose or for the
            transportation of any property or material deemed extra-hazardous by
            reason of being explosive, inflammable, or fissionable.

      19.   RETURN OF VEHICLE Upon the termination of this lease, Lessee shall
            return the vehicle to Lessor in as good a condition and running
            order as when first received by Lessee, ordinary wear and tear
            excepted. If Lessee fails to return the vehicle within a reasonable
            time, Lessor shall have the right to enter onto Lessee's or Lessee's
            agents premises for the purposes of taking possession of the vehicle
            and remove it from Lessee.

      20.   BANKRUPTCY This lease shall terminate automatically without notice
            to Lessee if Lessee files a voluntary petition in bankruptcy, makes
            an assignment for the benefit of creditors, or is voluntarily or
            involuntarily adjudicated bankrupt by any court of competent
            jurisdiction, or if a petition for reorganization of Lessee, or for
            an arrangement with creditors is filed by or against Lessee, or if a
            receiver is appointed for Lessee's business, or if Lessee permits or
            suffers any distress, attachment, levy or execution to be made or
            levied against any or all of Lessee's property.

      21.   LIQUIDATED DAMAGES ON BANKRUPTCY If this lease is terminated as
            provided in Section 21, Lessee shall comply with and Lessor shall
            have all the rights set forth in Section 20. If this lease is
            terminated Lessor shall also be entitled to damages, liquidated for
            all purposes, including claims or suits against Lessee's assets in
            bankruptcy or reorganization, said liquidated damages being the sum
            of all base monthly rental payments due and unpaid from the date to
            the execution of the lease until its termination. In arriving at
            such liquidated damages, the parties have considered, among other
            factors, the substantial expense of Lessor in purchasing the vehicle
            for Lessee's service and the difficulty in arriving at a damage
            figure in the future.

      22.   DEFAULT BY LESSEE If Lessee shall be in default of any of the
            payments or other terms and conditions of this lease, Lessor may, at
            Lessor's sole potion, notify Lessee of the breach or default in
            writing. If Lessee fails to correct the default within ten (10) days
            of said written notice then at any time Lessor may enter any premise
            where the vehicle subject to this lease is located and remove said
            vehicle or otherwise obtain its possession without being liable to
            any suit, action or defense or other proceedings. Late charges for
            past due payments will be calculated at a 12% annualized interest
            rate beginning the 2nd day of each month.

      23.   TAXES AND LICENSE FEES Any increases in any taxes and license fees
            in effect on the effective date of this lease and any new and
            additional taxes and license fees applicable on or with respect to,
            the leased vehicle or by the reason of the leasing as well as, any
            increased cost of any equipment or accessories required by any
            change in laws relating thereto shall be paid by Lessee to Lessor
            within fifteen (15) days after being invoiced.

      24.   SUCCESSION This lease, together with all schedules now and hereafter
            made a part shall be binding on the respective parties and their
            respective heirs, executors, administrators, legal representatives,
            successors and assigns.

<PAGE>

      25.   AMENDMENT No amendment, modification, or alteration of the terms of
            this lease agreement shall be binding unless the same shall be in
            writing dated subsequent to the date hereof and duly executed by the
            parties hereto.

      26.   ASSIGNMENT Neither this lease or any interest herein may be assigned
            by Lessee without the express written consent of the Lessor nor any
            operation of law. No vehicle may be sublet or encumbered nor
            possession or use given to other than Lessee's employees without
            Lessor's express written consent.

      27.   NOTICES Any notice given under this lease by Lessor to Lessee shall
            be in writing and shall be given personally or by registered mail
            addressed as follows:

                  GreenMan Technologies of MN, Inc.
                  Attn: Robert Davis, CEO or Mark Maust, President
                  12498 Wyoming Avenue South
                  Savage, MN 55378

            Any notice given under this lease by Lessee to Lessor shall be
            writing and shall be given personally or by registered mail
            addressed as follows:

                  Maust Asset Management Company, LLC
                  Attn: Mark Maust, Owner
                  5785 Starview Lane
                  Prior Lake, MN 55372

      28.   WAIVERS The failure of either party in any one or more instances to
            insist on the performance of any of the terms, covenants, or
            conditions of this lease, or to exercise any right or privilege in
            this lease conferred or the waiver of any breach of any of the
            terms, covenants or conditions of this lease, shall not be construed
            as thereafter waiving any such terms, covenants, conditions, rights
            or privileges, but such terms shall continue and remain in full
            force and effect as if no such forbearance or waiver had occurred.

      29.   GOVERNING LAW This lease shall be governed by the laws of the State
            of Minnesota and constitutes the entire agreement between Lessor and
            Lessee with respect to the furnishing of a motor vehicle by Lessor.
<PAGE>

      30.   COLLECTION EXPENSES Lessee shall be liable to Lessor for all costs
            and expenses, including, but not limited to, reasonable attorney
            fees, incurred in collecting payments due or to become due from
            Lessee to Lessor or in enforcing any rights of Lessor pursuant to
            this lease.

            This lease agreement constitutes the sole agreement of the parties
            hereto and supercedes any prior understandings, written or oral
            agreements or representations between the parties respecting the
            subject matter within it.

            In case any one or more of the provisions contained in this lease
            agreement shall, for any reason, be held to be invalid, illegal or
            unenforceable, such invalidity, illegality or unenforceability shall
            not affect any provision thereof and this lease agreement shall be
            construed as if such invalid, illegal or unenforceable provision had
            never been contained herein.

IN WITNESS WHEREOF, the parties have hereto executed this lease on the date
first written above.

Maust Asset Management Company, LLC.    GreenMan Technologies of MN, Inc. Lessee

By: /s/ Mark Maust                      By: /s/ Charles Coppa
    --------------------------------        ------------------------------------
    Mark Maust, Owner                       Charles E. Coppa, Treasurer
                                            GreenMan Technologies of MN, Inc.

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