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 March
26,
2008, appearing
in this Annual Report on Form 10-KSB of Global
Clean Energy Holdings, Inc. for
the
year ended December 31, 2007.
/s/
HANSEN, BARNETT & MAXWELL. P.C.
Hansen,
Barnett & Maxwell. P.C.
REGISTERED
PUBLIC ACCOUNTANTS
March
26,
2008