EXHIBIT 23.02

October 2, 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 SB-2 Filing,  as amended by Amendment number 1,
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.