**Exhibit      31.2**

 

**CERTIFICATIONS      PURSUANT TO**

**SECTION      302 OF**

**THE      SARBANES-OXLEY ACT OF 2002**

| 1.     | I                have reviewed this report on Form 10-Q of Global Clean Energy Holdings,                Inc.;                                                                                                                                                                                                                                                                                                                                                                                                                     |
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| 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;                                                                                                               |
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| 3.     | Based                on my knowledge, the financial statements, and other financial information                included in this report, fairly present in all material respects                the                financial condition, results of operations and cash flows of the                smaller                reporting company as of, and for, the periods presented in this                report;                                                                                                                   |
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| 4.     | The                smaller reporting company’s other certifying officer(s) and I are                responsible for establishing and maintaining disclosure controls                and                procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))                and                internal control over financial reporting (as defined in Exchange                Act                Rules 13a-15(f) and 15d-15(f)) for the smaller reporting company                and                have: |
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|   | (a)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Designed                such disclosure controls and procedures, or caused such disclosure                controls and procedures to be designed under our supervision, to                ensure                that material information relating to the smaller reporting company,                including its consolidated subsidiaries, is made known to us by others                within those entities, particularly during the period in which this                quarterly report is being prepared; |
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|   | (b)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Designed                such internal control over financial reporting, or caused such internal                control over financial reporting to be designed under their supervision,                to provide reasonable assurance regarding the reliability of financial                reporting and the preparation of financial statements for external                purposes in accordance with generally accepted accounting                principles; |
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|   | (c)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Evaluated                the effectiveness of the smaller reporting company’s disclosure controls                and procedures and presented in this report our conclusions about                the                effectiveness of the disclosure controls and procedures, as of the                end of                the period covered by this report based on such evaluation;                and |
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|   | (d)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Disclosed                in this report any change in the smaller reporting company’s internal                control over financial reporting that occurred during the smaller                reporting company’s most recent fiscal quarter (the smaller reporting                company’s fourth fiscal quarter in the case of an annual report) that has                materially affected, or is reasonably likely to materially affect,                the                smaller reporting company’s internal control over financial                reporting. |
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| 5.     | The                smaller reporting company’s other certifying officer(s) and I have                disclosed, based on our most recent evaluation of internal control                over                financial reporting, to the smaller reporting company’s auditors and the                audit committee of smaller reporting company’s board of directors (or                persons performing the equivalent functions):                                                                           |
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|   | (a)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | All                significant deficiencies and material weaknesses in the design or                operation of internal control over financial reporting which are                reasonably likely to adversely affect the smaller reporting company’s                ability to record, process, summarize and report financial information;                and |
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|   | (b)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Any                fraud, whether or not material, that involves management or other                employees who have a significant role in the smaller reporting company’s                internal control over financial                reporting. |

| Date:                November 13, 2008 | By:    | /s/                Bruce                K. Nelson                 |
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|                                   |   | Bruce                NelsonChief                Financial Officer |

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