UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 26, 2022

CLEAN ENERGY FUELS CORP.

(Exact Name of Registrant as Specified in Charter)

(949) 437-1000

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company    ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.   ¨

Explanatory Note

This Amendment No. 1 to Current Report on Form 8-K amends Item 7.01 and Item 9.01 of the Current Report on Form 8-K filed on January 26, 2022 (the "Original Form 8-K") solely to correct errors on slide 51 of the Investor Presentation furnished as Exhibit 99.1 thereto (the "Presentation"). As previously furnished, the Presentation inadvertently included on slide 51 incorrect estimated revenue amounts for 2022, 2023, 2024, 2025 and 2026 of $444 million, $580 million, $724 million, $855 million and $983 million, respectively. These estimated revenue amounts did not include the reduction of estimated Amazon Warrant charges resulting in corrected estimated revenue amounts of $400 million in 2022, $484 million in 2023, $609 million in 2024, $780 million in 2025 and $943 million in 2026. The revised Presentation is attached hereto as Exhibit 99.1. No other changes have been made to the revised Presentation or to the Original Form 8-K.

The Exhibit 99.1 attached hereto includes a revised version of the Presentation furnished on the Original Form 8-K. The foregoing information is furnished pursuant to Item 7.01 Regulation FD Disclosure and shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

(d)            Exhibits

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.