EX-23 13 exhibit23-02.txt EXHIBIT 23.02 AUDITOR CONSENT Exhibit 23.02 August 22, 2001 Mr. Curtis Ashmos Locke, Liddell & Sapp LLP 100 Congress Avenue, Suite 300 Austin, TX 78701 Dear Mr. Ashmos: I, Nathan M. Robnett, hereby consent to the use of our firm name Robnett & Company, C.P.A.'s, P.C., as "independent auditor" and my Independent Auditor's Report dated August 22, 2001 and the Audited Financial Statements of DeMarco Energy Systems of America, Inc. as of June 30, 2001 and 2000, including the respective notes thereto in the 10-K Filing to the Securities Exchange Commission. My consent is limited as described above and is valid until December 31, 2001. Any additional use or use after December 31, 2001 if my name will require my consent in each and every instance. Sincerely, /S/ Nathan M. Robnett Nathan M. Robnett Robnett & Company, P.C.