8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

December 12, 2005

Date of Report (Date of earliest event reported)

MECHANICAL TECHNOLOGY INCORPORATED

(Exact name of registrant as specified in its chapter)

NEW YORK	0-6890	14-1462255
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)
431 NEW KARNER ROAD, ALBANY, NEW YORK 12205 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code:

(518) 533-2200

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

     [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

     [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

     [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

     [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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Item 1.01. Entry into a Material Definitive Agreement

On December 12, 2005, Mechanical Technology Incorporated entered into a Second Amendment to lease certain premises at 431 New Karner Road, Albany, NY with Kingfisher, LLC. The full text of the lease amendment is furnished as Exhibit 10.132 hereto.

Item 9.01. Financial Statements and Exhibits.

(c) Exhibits.

EXHIBIT
No.	DESCRIPTION
10.132	Second Amendment to lease dated December 12, 2005 between Kingfisher, LLC and Mechanical Technology Incorporated.

SIGNATURES

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

	MECHANICAL TECHNOLOGY INCORPORATED
Date: December 13, 2005	By: /S/ CYNTHIA A. SCHEUER Name: Cynthia A. Scheuer
	Title: Vice President, Chief Financial Officer and Secretary

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EX-10

Exhibit 10.132

SECOND AMENDMENT TO LEASE

This agreement is made as of this 12th day of December, 2005 by and between Kingfisher, LLC, (hereinafter the "Landlord") and Mechanical Technology Incorporated (hereinafter the "Tenant").

PRELIMINARY STATEMENT

The Landlord and Tenant entered into a lease (The "Lease") dated April 2, 2001, and amended by First Amendment to Lease dated March 13, 2005, for certain Premises at 431 New Karner Road, Albany, New York, consisting of 23,511 Net Usable Square Feet. Tenant desires to extend the current lease term for an additional 6 months.

Accordingly, the parties agree to amend and modify the Lease as hereinafter set forth:

1. The current Lease Term shall be extended to expire December 31, 2006.
2. The date by which Tenant shall have the option to renew the lease, as per Section 25.17, shall be June 30, 2006.

Except as modified herby, all terms and conditions of the Lease are hereby ratified and confirmed by the parties hereto.

IN WITNESS WHEREOF Landlord and Tenant have signed and sealed this Modification to Lease as of the day and year first above written.

Landlord:

KINGFISHER, LLC

s/Edward L. Hoe_______________________________

By: Edward L. Hoe, Jr., Member Manager

Tenant:

MECHANICAL TECHNOLOGY, INCORPORATED

s/Steven N. Fischer ___________________________

By: Steven N. Fischer, Chief Executive Officer