Exhibit 23.1


                         Consent of Independent Auditors


We consent to the incorporation by reference in the Registration Statement (Form
S-8  No.  333-16939)  pertaining  to  the  1994  Incentive  Plan of Clean Diesel
Technologies,  Inc.,  of  our  report dated January 24, 2003 with respect to the
financial  statements  of  Clean  Diesel  Technologies Inc., and included in the
Annual  Report  (Form  10-K)  for  the  year  ended  December  31,  2002.


/s/  ERNST  &  YOUNG  LLP

Stamford,  Connecticut
March  24,  2003