Exhibit 32

CERTIFICATION 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 Quarterly Report of Penn Octane Corporation (the “Company”) on Form 10-Q for the three months ending March 31, 2009 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, Ian T. Bothwell, Acting President and Acting Chief Executive Officer of the Company, and Ian T. Bothwell, Chief Financial Officer of the Company, certify, 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, except that, as set forth in this filing in Part I — Financial Information, the financial statements included in this Report have not been reviewed by an independent public accountant as required by Rule 10-01(d) of Regulation S-X; and

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

/s/ Ian T. Bothwell  

Ian T. Bothwell, Acting President and  

Acting Chief Executive Officer
May 20, 2009 

/s/ Ian T. Bothwell  

Ian T. Bothwell, Chief Financial Officer 

May 20, 2009