EXHIBIT 32.1


      CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
                       PURSUANT TO 18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

          In connection with the report on Form 10-Q of Pacific Ethanol, Inc.
(the "Company") for the quarter ended March 31, 2006 (the "Report"), the
undersigned hereby certify in their capacities as Chief Executive Officer and
Chief Financial Officer of the Company, pursuant to 18 U.S.C. section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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


Dated:  May 15, 2006            By:  /S/ NEIL M. KOEHLER
                                     ----------------------------------------
                                     Neil M. Koehler
                                     Chief Executive Officer (principal
                                     executive officer)


Dated:  May 15, 2006            By:  /S/ WILLIAM G. LANGLEY
                                     -----------------------------------------
                                     William G. Langley
                                     Chief Financial Officer (principal
                                     financial officer)


          A signed original of this written statement required by Section 906,
or other document authenticating, acknowledging, or otherwise adopting the
signature that appears in typed form within the electronic version of this
written statement required by Section 906, has been provided to the Company and
will be retained by the Company and furnished to the Securities and Exchange
Commission or its staff upon request.