SIGNATURES  AND  CERTIFICATES

                                                                    Exhibit 31.1


I, Jeremy D. Peter-Hoblyn, certify that:

1.   I  have  reviewed  this  annual  report  on  Form  10-K  of  Clean  Diesel
Technologies,  Inc.;

2.   Based  on  my  knowledge,  this  annual  report does not contain any untrue
statement  of a material fact or omit to state a material fact necessary to make
the  statements  made, in light of the circumstances under which such statements
were  made,  not  misleading  with  respect to the period covered by this annual
report;

3.   Based  on  my  knowledge,  the  financial  statements,  and other financial
information  included  in  this  annual  report,  fairly present in all material
respects  the  financial  condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this annual report;

4.   The  registrant's  other  certifying  officers  and  I  are responsible for
establishing  and  maintaining disclosure controls and procedures (as defined in
Exchange Act Rules 13a-14 and 15d-14) for the registrant and have:

a)   designed  such  disclosure  controls and procedures to ensure that material
information relating to the registrant, including its consolidated subsidiaries,
is  made  known  to  us by others within those entities, particularly during the
period in which this annual report is being prepared;

b)   evaluated  the  effectiveness  of  the  registrants disclosure controls and
procedures  as  of a date within 90 days prior to the filing date of this annual
report  (the  "Evaluation  Date");  and

c)   presented  in this annual report our conclusions about effectiveness of the
disclosure  controls and procedures based on our evaluation as of the Evaluation
date;

5.   The  registrant's  other certifying officers and I have disclosed, based on
our most recent evaluation, to the registrant's auditors and the audit committee
of  registrant's  board  of  directors  (or  persons  performing  the equivalent
functions);

a)   all  significant  deficiencies  in  the  design  or  operation  of internal
controls  which  could  adversely  affect  the  registrant's  ability to record,
process,  summarize  and  report  financial  data  and  have  identified for the
registrant's auditors any material weakness in internal controls; and

b)   any  fraud,  whether  or  not  material,  that involves management or other
employees who have a significant role in the registrant's internal controls; and

6.   The  registrants  other  certifying  officers  and I have indicated in this
annual  report whether there were significant changes in internal controls or in
other  factors  that  could significantly affect internal controls subsequent to
the  date  of  our most recent evaluation, including any corrective actions with
regard  to  significant  deficiencies  and  material  weaknesses.


Date:  March 29, 2004                  By:  /s/  Jeremy D. Peter-Hoblyn
                                            -----------------------------
                                            Jeremy D Peter-Hoblyn
                                            Chief Executive Officer and Director


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