Document:

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                                                                     Exhibit 4.2

                            LEGAL ADVISORY AGREEMENT

     This LEGAL ADVISORY AGREEMENT, dated September 7, 2001, by and between
ROTARY POWER INTERNATIONAL, INC., a Delaware corporation with its principal
office at One Passaic Street, Wood-Ridge, New Jersey 07075 (the "Client") and
WILENTZ, GOLDMAN & SPITZER, P.A., a law firm with its principal office at 90
Woodbridge Center Drive, Woodbridge, New Jersey 07095 (the "Firm").

     WHEREAS, the Firm has heretofore provided various legal services to the
Client and the Client desires to retain the Firm to continue to provide such
services in the future; and

     WHEREAS, the Firm is willing to continue to provide such legal services to
the Client on the terms and conditions set forth in this Agreement.

     NOW, THEREFORE, in consideration of the premises and of the covenants made
herein and of the mutual benefits to be derived herefrom, the parties hereto,
intending to be legally bound, agree as follows:

     1. LEGAL SERVICES. The Client hereby agrees to retain the Firm to provide
legal services to the Client, and the Firm hereby agrees to provide such legal
services to the Client, all on the terms and conditions set forth in this
Agreement. As part of its services, the Firm will provide general corporate and
other legal advice and representation to the Client, including, without
limitation, legal advice and representation to the Client in connection with the
preparation, review and negotiation of all documents, agreements, contracts,
resolutions and other legal documentation to be executed, filed, entered into
and/or adopted by the Client in connection with its general corporate affairs.
In this regard, the legal services to be provided by the Firm shall include,
among other things, attendance at all necessary meetings with or on behalf of
the Client, review and/or preparation and drafting of all agreements, contracts,
operating agreements and leases, licenses, employment contracts, employee
benefit plans, corporate resolutions, certificates, all periodic reports
required to be filed by the Client with the Securities and Exchange Commission
pursuant to the Securities Exchange Act of 1934, as amended, and any other legal
documentation to be executed, filed, entered into and/or adopted by the Client,
or necessary or desirable by the Client, in connection with its general
corporate affairs and all other related work necessary to properly represent the
Client in connection with all of the above. If the Client needs any other
specific services which are not related to the advice, service and
representation described above, including, without limitation, advice, service
and representation in connection with matters involving pending or threatened
litigation or involving the offer or sale of the Client's securities in a
capital raising transaction, the Firm and the Client will make a new agreement
to provide for such other services.

     2. LIMITATION ON SERVICES. Notwithstanding anything in this Agreement to
the contrary, the legal services to be rendered by the Firm in accordance with
Section 1 hereof shall not include any legal services in connection with the
offer or sale of the Client's securities in a capital raising transaction

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and do not, and will not, directly or indirectly, promote or maintain a market
for the Client's securities.

     3. FEES AND EXPENSES. For the services rendered by the Firm in serving as
counsel to the Client in connection with the matters set forth in Section 1 of
this Agreement, the Client agrees that the Firm will bill the Client at its
standard hourly rates in effect at the time when the services are performed. To
the extent possible, the Firm will use the attorneys and paralegals with the
lowest hourly rates who are qualified to properly render the legal services
needed by the Client. From time to time, usually around January 1 of each year,
changes are made to the Firm's hourly rates which will be applied accordingly to
the services rendered by the Firm in accordance with this Agreement. In addition
to paying the Firm its hourly fees, the Client also agrees to reimburse the Firm
for all customary out-of-pocket expenses and costs incurred by the Firm in the
performance of such services. Such out-of-pocket expenses and costs include, but
are not limited to, photocopying, postage, overnight delivery, messengers,
computer time charges, telephone, facsimile and travel.

     4. BILLING. Unless otherwise agreed to by the Client and the Firm, the Firm
will send the Client itemized bills for its fees and expenses on a monthly
basis. All bills from the Firm for services rendered pursuant to this Agreement
are due upon receipt. The Client acknowledges and agrees that the Firm cannot
predict or guarantee what the Client's bill will be for any given month. The
Client's bill will depend on the amount of time spent on the matter by the Firm
and the amount of other costs and expenses incurred by the Firm relating
thereto.

     5. SERVICES RENDERED TO DATE. The Client hereby acknowledges and agrees
that (i) the Firm has heretofore rendered bona fide satisfactory legal services
to the Client of the nature described in Section 1 above, (ii) in accordance
with invoices which the Firm has rendered to the Client for such services and
which remain outstanding and unpaid as of the date hereof, the Client currently
owes the Firm the amount of $156,377.40 for a portion of the legal services
heretofore rendered to the Client, (iii) the invoices heretofore rendered to the
Client for such services have been prepared and rendered in accordance with the
provisions of Sections 3 and 4 of this Agreement, and (iv) such legal services
heretofore rendered by the Firm did not include any legal services in connection
with the offer or sale of the Client's securities in a capital raising
transaction and did not, directly or indirectly, promote or maintain a market
for the Client's securities.

     6. ISSUANCE OF SHARES. In full and complete satisfaction of the amounts
owed to the Firm as described in Section 5 of this Agreement and as partial
consideration for the Firm agreeing to enter into this Agreement and to
hereafter render the legal services described in Section 1 of this Agreement,
the Client will, as soon as possible after the date of this Agreement, issue and
deliver 260,629 shares of the Client's common stock (the "Shares") to John T.
Kelly, the partner of the Firm who had, and will have, primary responsibility
for the Firm's services heretofore rendered and to be hereafter rendered to the
Client. The Shares, when issued, shall be registered under the Securities Act of
1933, as amended, pursuant to a registration statement filed by the Client with
the Securities and Exchange Commission on Form S-8 (or, if Form S-8 is not then
available, such other form of registration statement then available for the
registration of the Shares). Any and all costs of filing such registration
statement for the Shares shall be the responsibility of the Client.

     7. FUTURE ISSUANCE OF SHARES. The Client and the Firm may at any time agree
that the Client can issue shares of its common stock in satisfaction of any
amounts that may hereafter become due and owing to the Firm in accordance with
Section 3 hereof. The number of shares to be issued by the Client shall be
agreed upon with the Firm in writing and shall be issued and delivered to a
partner of the

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Firm, as designated by the Firm. Any such shares, when issued, shall be
registered under the Securities Act of 1933, as amended, pursuant to a
registration statement filed by the Client with the Securities and Exchange
Commission on Form S-8 (or, if Form S-8 is not then available, such other form
of registration statement then available for the registration of such shares).
Any and all costs of filing such registration statement for such shares shall be
the responsibility of the Client.

     8. CLIENT'S RESPONSIBILITY. The Client must fully cooperate with the Firm
and provide all information relevant or necessary to the Firm to permit it to
rendered the services described in Section 1 of this Agreement. The Client must
also pay all bills as required by the terms of this Agreement. If the Client
does not comply with these requirements, the Firm may resign from representing
the Client at any time. The Firm will also resign at any time at the Client's
request. Upon any resignation by the Firm from representation of the Client, the
Firm shall be entitled to receive compensation for its legal services rendered
and reimbursement for its costs and expenses incurred through the date of such
resignation in accordance with the terms and provisions of this Agreement.

     9. NO GUARANTEE. The Firm agrees to provide conscientious, competent, and
diligent services and at all times to render services and seek to achieve
solutions which are just and reasonable for the Client. However, because of the
uncertainty of legal proceedings, the interpretation and changes in the law, and
many unknown factors, the Firm cannot and does not warrant, predict, or
guarantee results.

     10. ENTIRE AGREEMENT. The Client and the Firm agree that this Agreement
constitutes the full understanding and agreement between the parties with
respect to the matters set forth herein and supersedes all other agreements
between the Client and the Firm with respect to the subject matter hereof.

     IN WITNESS WHEREOF, the parties have duly executed this Agreement as of the
date first above written.

                                        ROTARY POWER INTERNATIONAL, INC.

                                        By: /s/ Ronald G. McKeown
                                            ----------------------------
                                            Name:  Ronald G. McKeown
                                            Title: President and CEO

                                        WILENTZ, GOLDMAN & SPITZER, P.A.

                                        By: /s/ John T. Kelly
                                            -----------------------------
                                            Name:  John T. Kelly
                                            Title: PartnerPrepared by MERRILL CORPORATION

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LOAN AGREEMENT    
  

    THIS LOAN AGREEMENT is made as of September 7, 2001, by and among The Cobalt Group, Inc., a Washington corporation (the
"Company"), and Warburg, Pincus Equity Partners, L.P. as agent (the "Agent") for the entities named on
the Schedule of Lenders attached hereto as Schedule A (individually, a "Lender" and collectively, the
"Lenders"). 

 
 

RECITALS    
  

    WHEREAS, the Company seeks bridge financing to provide working capital for its business; and 

    WHEREAS,
the Lenders desire to provide such bridge financing. 

    NOW
THEREFORE, in consideration of the foregoing and the mutual premises and covenants made herein, and other good and valuable consideration the receipt and sufficiency of which are
hereby acknowledged, the parties hereto hereby agree as follows: 

    1.  Loan.  

     1.1 The Maximum Amount. The Agent hereby agrees to loan to the Company, on behalf of the Lenders, funds necessary to enable the Company to meet
its working capital needs; provided, however, that the aggregate amount of such borrowings shall not
exceed $5,000,000.00 (the "Maximum Amount"). 

    1.2 Borrowings. The Company may borrow from the Lenders from time to time any amounts in denominations of at least
$1,000,000.00 or integral multiples of $250,000.00 in excess thereof up to but not exceeding the Maximum Amount in the aggregate; provided,  however, that
any principal amounts repaid under the Notes (as defined below) may not be reborrowed under this Agreement and any such repayments will
cause a corresponding reduction in the Maximum Amount. To make a borrowing, the Company shall give the Agent at least three business days' notice of borrowing. The exact amount outstanding shall be
the amount reflected on the Agent's books and records from time to time, which books and records shall be conclusive evidence of the amount outstanding absent manifest error. The Agent shall advance
the borrowings, on behalf of the Lenders, to such account as the Company shall direct. 

    1.3 Certificate of Officer. All borrowings hereunder shall be evidenced by a certificate from a duly authorized officer
of the Company in form and substance reasonably satisfactory to the Agent certifying that the representations, warranties and covenants of the Company set forth herein are true and correct in all
respects and that there has been no change in or effect on the business of the Company or any of its subsidiaries that is or is reasonably likely to be materially adverse to the business, operations,
properties (including intangible properties and leased or owned properties), condition (financial or otherwise), prospects, assets or liabilities of the Company and its subsidiaries, taken as a whole
(a "Material Adverse Effect"), each as of the date of such borrowing. 

    2.  Issuance of Notes. 

    2.1 Note. The Company hereby agrees that, upon each borrowing of funds from the Lenders, the Company will execute and
deliver to the Agent, on behalf of the Lenders, a note substantially in the form of Exhibit A attached hereto evidencing the loan made by such Lender (each, a
"Note," and collectively, the "Notes"). 

    2.2 Interest. The outstanding principal amount on each Note shall bear interest at the rates set forth in the Notes.
Interest shall commence with the date of issuance thereof and shall continue on the outstanding principal balance until the Note is paid in full. 

    2.3 Usury Savings Clause. Each Note shall contain an appropriate usury savings clause. 

    3.  Representations, Warranties and Covenants of the Company. The Company hereby represents and warrants to the Agent
and each Lender the following: 

    3.1 Organization, Good Standing and Qualification. The Company is a corporation duly organized, validly existing and in
good standing under the laws of the State of Washington and has all requisite corporate power and authority to carry on its business as now being conducted and proposed to be conducted in the future.
The Company is duly qualified to transact business and is in good standing in each jurisdiction where failure to so qualify would have a Material Adverse Effect. 

    3.2 Authorization. All corporate actions on the part of the Company, its officers, directors, and shareholders necessary
for the authorization, execution, and delivery of this Agreement, the Notes, the performance of all obligations of the Company hereunder and thereunder, and the authorization,
issuance, and delivery of the Notes, have been taken. This Agreement and the Notes constitute the valid and legally binding obligations of the Company, enforceable in accordance with their respective
terms, except as limited by (a) applicable bankruptcy, insolvency, reorganization, moratorium, and other laws of general application affecting enforcement of creditors' rights generally,
(b) laws relating to the availability of specific performance, injunctive relief or other equitable remedies and (c) state and federal securities laws with respect to rights to
indemnification or contribution. 

    3.3 No Conflict. Except as may be required under the SVB Agreement (as defined below), the execution and delivery by the
Company of this Agreement and the performance by the Company of its obligations hereunder (including the issuance and sale of the Notes) do not require the Company to obtain any consent, approval or
action of, or make any filing with or give any notice to, any corporation, person or firm or any public, governmental or judicial authority that has not already been obtained prior to the date hereof. 

    3.4 Absence of Defaults. Except pursuant to the SVB Agreement, the execution and delivery of this Agreement and the
performance of its obligations hereunder (including the issuance and sale of the Notes) will not result in a breach of any of the terms, conditions or provisions of, or constitute a default under, or
permit the acceleration of rights under or termination of, any material indenture, mortgage, deed of trust, credit agreement, note or other evidence of indebtedness, or other material agreement of the
Company or the Articles of Incorporation or Bylaws of the Company. No event has occurred and no condition exists which, upon notice or the passage of time (or both), would constitute a default under
any such key agreements and instruments or in any license, permit or authorization to which the Company is a party or by which it may be bound. 

    4.  Legends. The Company and the Agent understand that the Notes may bear the following legend: 

"THE
SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR UNDER THE SECURITIES LAWS OF CERTAIN STATES. THESE SECURITIES ARE SUBJECT TO
RESTRICTIONS ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE ACT AND APPLICABLE STATE SECURITIES LAWS, PURSUANT TO REGISTRATION OR EXEMPTION THEREFROM.
INVESTORS SHOULD BE AWARE THAT THEY MAY BE REQUIRED TO BEAR THE FINANCIAL RISKS OF THIS INVESTMENT FOR AN INDEFINITE PERIOD OF TIME. THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL IN
FORM AND SUBSTANCE REASONABLY SATISFACTORY TO THE ISSUER TO THE EFFECT THAT ANY PROPOSED TRANSFER OR RESALE IS IN COMPLIANCE WITH THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS." 

    5.  Conditions to Loan. The obligation of the Agent to advance any funds hereunder on behalf of the Lenders is subject
to the satisfaction of the following conditions: 

    5.1 Note. The Agent shall have received a Note substantially in the form of Exhibit A attached hereto evidencing
such loan. 

    5.2 Certificate. The Agent shall have received a certificate of a duly authorized officer of the Company pursuant to  Section 1.3 of this Agreement.

    5.3 Waiver. The Agent shall have received a waiver from Silicon Valley Bank of any event of default under the Loan and
Security Agreement (the "SVB Agreement") dated as of March 8, 2001 by and between Silicon Valley Bank and the Company in form and substance
reasonably satisfactory to the Agent; provided, however, that no such waiver will be required if there
are no amounts outstanding under the SVB Agreement. 

    6.  Miscellaneous. 

    6.1 Fees and Expenses. The Company shall pay the Agent's and the Lender's out-of-pocket fees and
expenses incurred in connection with the transactions contemplated hereby. Except as provided in the immediately preceding sentence, each party hereto shall bear their own attorney's fees in
connection with the negotiation and execution of this Agreement and the other documents and agreements with the Agent or the Lenders contemplated herein. 

    6.2 Successors and Assigns. Except as otherwise provided herein, the terms and conditions of this Agreement shall inure
to the benefit of and be binding upon the respective successors and assigns of the parties hereto (including transferees of any securities). Nothing in this Agreement, express or implied, is intended
to confer upon any party other than the parties hereto or their respective successors and assigns any rights, remedies, obligations, or liabilities under or by reason of this Agreement, except as
expressly provided in this Agreement. 

    6.3 Governing Law. Notwithstanding Section 6.11 below, this Agreement shall be governed by and construed under
the laws of the State of New York as applied to agreements among New York residents, entered into and to be performed entirely within New York. 

    6.4 Counterparts. This Agreement may be executed in two or more counterparts, and by facsimile, each of which shall be
deemed an original, but all of which together shall constitute one and the same instrument. 

    6.5 Notices. Unless otherwise provided, any notice required or permitted under this Agreement shall be given in writing
and shall be deemed effectively given upon personal delivery to the party to be notified or four (4) days after deposit with the United States Post Office, by registered or certified mail,
postage prepaid and addressed to the party to be notified at the address indicated for such party, in the case of the Company or the Agent, on the signature page hereto, and in the case of each
Lender, on Exhibit A hereto, or at such other address as such party may designate by advance written notice to the other parties. 

    6.6 Finder's Fee. The Company agrees to indemnify and hold harmless the Agent and each Lender from any liability for any
commission or compensation in the nature of a finders' fee (and the costs and expenses of defending against such liability or asserted liability) for which the Company or any of its officers,
employees or representatives is responsible. The Agent and each Lender severally agrees to indemnify and to hold harmless the Company from any liability for any commission or compensation in the
nature of a finders' fee (and the costs and expenses of defending against such liability or asserted liability) for which the Agent or such Lender or any of their respective officers, partners,
employees, or representatives is responsible. 

    6.7 Entire Agreement. This Agreement, the Notes and the other documents delivered pursuant hereto or thereto, constitute
the entire agreement among the parties hereto and no party shall be liable or bound to any other party in any manner by any warranties, representations, or covenants except as specifically set forth
herein or therein. 

    6.8 Amendment and Waiver. Any term of this Agreement may be amended and the observance of any term of this Agreement may
be waived (either generally or in a particular instance and either retroactively or prospectively), with the written consent of the Company and the Agent. Any waiver or amendment effected in
accordance with this section shall be binding upon each holder of any Notes purchased under this Agreement at the time outstanding, each future holder of all such Notes, and the Company. 

    6.9 Severability. If one or more provisions of this Agreement are held to be unenforceable under applicable law, such
provision shall be excluded from this Agreement and the balance of the Agreement shall be interpreted as if such provision were so excluded and shall be enforceable in accordance with its terms. 

    6.10 Survival. The representations, warranties, covenants and agreements made herein shall survive the consummation or
termination of this Agreement. 

    6.11 Washington Statutory Notice. ORAL AGREEMENTS OR ORAL COMMITMENTS TO LOAN MONEY, EXTEND CREDIT OR TO FORBEAR FROM
ENFORCING REPAYMENT OF A DEBT ARE NOT ENFORCEABLE UNDER WASHINGTON LAW. 

    IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written. 

	 	 	THE COBALT GROUP, INC.
	 	 	 	 
	 	 	 	 
	 	 	By:	/s/ JOHN W.P. HOLT   

	 	 	Name:	John W.P. Holt
	 	 	Title:	President & Chief Executive Officer
	

 	
 	

Address:	

2200 First Avenue South, Suite 400

Seattle, WA 98134

ACCEPTED AND AGREED: 

	WARBURG, PINCUS EQUITY PARTNERS, L.P., as Agent	 	 
	 	 	 	 	 
	 	 	 	 	 
	By:	WARBURG, PINCUS & CO.,

General Partner	 	 
	 	 	 	 	 
	 	 	 	 	 
	 	By:	/s/ JOSEPH P. LANDY   
	 	 
	 	 	Name: Joseph P. Landy

Title: Partner	 	 
	 	 	 	 	 
	Address:	466 Lexington Avenue

New York, NY 10017

Facsimile: (212) 878-9351

Attention:

	 	 

SCHEDULE A  

 Lender Name and Address  

Warburg,
Pincus Equity Partners, L.P.

466 Lexington Avenue

New York, NY 10017

Facsimile: (212) 878-9351

Attention: 

Warburg,
Pincus Netherlands

Equity Partners I, C.V.

466 Lexington Avenue

New York, NY 10017

Facsimile: (212) 878-9351

Attention: 

Warburg,
Pincus Netherlands

Equity Partners II, C.V.

466 Lexington Avenue

New York, NY 10017

Facsimile: (212) 878-9351

Attention: 

Warburg,
Pincus Netherlands

Equity Partners III, C.V.

466 Lexington Avenue

New York, NY 10017

Facsimile: (212) 878-9351

Attention: 

 
 

EXHIBIT A    
  

 
 

Form of Unsecured Promissory Note    
  

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LOAN AGREEMENT

RECITALS

EXHIBIT A

Form of Unsecured Promissory Note

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