EXHIBIT 31.4
Published on April 29, 2021
Exhibit 31.4
CERTIFICATIONS
I, Robert M. Vreeland, certify that:
| 1. | I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of Clean Energy Fuels Corp.; 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: April 29, 2021
| By: /s/ Robert M. Vreeland | |
| Robert M. Vreeland | |
| Chief Financial Officer | |
| (Principal Financial Officer) |