Exhibit 31.2
CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
(Pursuant to Rule 13a-14(a) of the
Securities Exchange Act of 1934, as amended,
as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002)
I, Mark Smith, certify that:
| 1. | I have reviewed this Amendment No. 1 to the Quarterly Report on Form 10-Q of Gevo, Inc.; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
Date: August 3, 2012
| By: | /s/ MARK SMITH | |
Mark Smith Chief Financial Officer (Principal Financial and Accounting Officer) | ||