Exhibit
23.1
CONSENT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the
Board of Directors
Global
Clean Energy Holdings, Inc.
We
consent to the incorporation by reference in Registration Statement on Form S-8
(Nos. 333-92446) of Global Clean Energy Holdings, Inc. of our report dated April
14, 2009, appearing in this Amendment No. 1 to Annual Report on Form 10-K/A of
Global Clean Energy Holdings, Inc. for the year ended December 31,
2008.
/s/ HANSEN, BARNETT &
MAXWELL. P.C.
Hansen,
Barnett & Maxwell. P.C.
REGISTERED
PUBLIC ACCOUNTANTS
December
1, 2009