**Exhibit      31.1**

|   | 1. | I                have reviewed this Annual Report on Form 10-KSB of Ener1,                Inc.; |
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|   | 2. | Based                on my knowledge, this annual                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                annual report; |
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|   | 3. | Based                on my knowledge, the financial statements, and other financial information                included in this annual report, fairly present in all material respects                the financial condition, results of operations and cash flows of                the small                business issuer as of, and for, the periods presented in this annual                report; |
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|   | 4. | The                small business issuer's other certifying officer 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 small business issuer 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 small business issuer,                including                its consolidated subsidiaries, is made known to us by others within                those                entities, particularly during the period in which this annual 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 our 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 small business issuer's disclosure controls                and                procedures and presented in this annual report our conclusions about                the                effectiveness of the disclosure controls and procedures, as of the                end of                the period covered by this annual report based on such evaluation;                and |
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|   | d) | Disclosed                in this annual report any change in the small business issuer's internal                control over financial reporting that occurred during the small business                issuer's fourth fiscal quarter that has materially affected, or is                reasonably likely to materially affect, the small business issuer's                internal control over financial reporting;                and |
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|   | 5. | The                small business issuer's other certifying officer and I have disclosed,                based on our most recent evaluation of internal control over financial                reporting, to the small business issuer's auditors and the audit                committee                of small business issuer's board of                directors: |
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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 small business issuer'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 small business issuer's                internal control over financial                reporting. |
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|    |   | Date:                April 6, 2007 /s/                Dr. Peter Novak                                                                                            |
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|         |   | By:                Dr. Peter NovakTitle:                Chief Executive Officer(Principal                Executive Officer andDuly                Authorized Officer) |

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