EXHIBIT
23.1
CONSENT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To
the
Board of Directors
Pacific
Ethanol, Inc.
Sacramento,
California
We
consent to incorporation by reference in the Registration Statements (Nos.
333-106554, 333-123538, 333-123539 and 333-137663) on Form S-8 and (Nos.
333-127714, 333-135270 and 333-138260) on Form S-3 of Pacific Ethanol, Inc.
of
our report dated March 7, 2007 relating to our audits of the consolidated
financial statements, which appear in the December 31, 2006 annual report
on Form 10-K of Pacific Ethanol, Inc.
/s/
HEIN
& ASSOCIATES LLP
Irvine,
California
March
7,
2007