Exhibit 99.17
Mechanical Technology Incorporated
431 New Karner Road
Building #4
Albany, NY 12205
LETTER TO COMMISSION PURSUANT TO TEMPORARY NOTE 3T
April 1, 2002
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549-0408
Ladies and Gentlemen:
Pursuant to Temporary Note 3T to Article 3 of Regulation S-X, Mechanical Technology Incorporated has obtained a letter of representation from Arthur Andersen LLP ("Andersen") stating that the September 30, 2001 audit of SatCon Technology Corporation was subject to their quality control system for the U.S. accounting and auditing practice to provide reasonable assurance that the engagement was conducted in compliance with professional standards, and that there was appropriate continuity of Andersen personnel working on the audit, availability of national office consultation, and availability of personnel at foreign affiliates of Andersen to conduct the relevant portions of the audit.
Very Truly Yours,
Mechanical Technology Incorporated
/s/ Cynthia A. Scheuer
Name: Cynthia A. Scheuer
Title: Vice President and Chief Financial Officer
