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                                                                    Exhibit 32.1


                            CERTIFICATION PURSUANT TO
                               18 U.S.C. Sec.1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



     In connection with the Quarterly Report of O2Diesel Corporation (the
     "Company") on Form 10-QSB for the period ended September 30, 2003 as filed
     with the Securities and Exchange Commission on the date here of (the
     "Report"), I, Alan Rae, Chief Executive Officer, certify, pursuant to 18
     U.S.C. Sec.1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
     Act of 2002, that to the best of my knowledge:

          (1)     The Report fully complies with the requirements of Section
     13(a) or 15(d) of the Securities Exchange Act of 1934; and

          (2) The information contained in this Report fairly presents, in all
     material respects, the financial condition and results of operations of the
     Company.

Date: November 19, 2003                By:  /s/Alan Rae
                                           ----------------
                                           Name:  Alan Rae
                                           Title:  Chief Executive Officer
                                           (Principal Executive Officer)


A signed original of this written statement required by Section 906 has been
provided to O2Diesel Corporation and will be retained by O2Diesel Corporation
and furnished to the Securities and Exchange Commission or its staff upon
request.


<PAGE>

                            CERTIFICATION PURSUANT TO
                               18 U.S.C. Sec.1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



In connection with the Quarterly Report of O2Diesel Corporation (the "Company")
on Form 10-QSB for the period ended September 30, 2003 as filed with the
Securities and Exchange Commission on the date here of (the "Report"), I, David
Koontz, Chief Financial Officer, certify, pursuant to 18 U.S.C. Sec.1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the
best of my knowledge:

          (1)     The Report fully complies with the requirements of Section
                  13(a) or 15(d) of the Securities Exchange Act of 1934; and

          (2)    The information contained in this Report fairly presents, in
                 all material respects, the financial condition and results of
                 operations of the Company.

Date: November 19  2003                By:  /s/David Koontz
                                           --------------------
                                           Name:  David Koontz
                                           Title:  Chief Financial Officer
                                           (Principal Financial Officer)


A signed original of this written statement required by Section 906 has been
provided to O2Diesel Corporation and will be retained by O2Diesel Corporation
and furnished to the Securities and Exchange Commission or its staff upon
request.