UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

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.   ¨

As previously announced, Clean Energy Fuels Corp. (the “Company”) will host an investor webcast (“Webcast”) on January 26, 2022 at approximately 10:00 am (EST) at which time members of management will present an investor presentation (“Presentation”). The Presentation is attached hereto as Exhibit 99.1 and will be available on the “Events and Presentations” section of the Company’s website at https://investors.cleanenergyfuels.com. The information presented in the Webcast and contained in the Presentation is intended to inform investors and analysts of the Company’s strategic vision around its renewable natural gas (“RNG”) supply and the growing demand for RNG fuel by fleet customers in its North American station network.

As previously announced, investors may register to access the live Webcast at the following link: https://event.on24.com/wcc/r/3609144/860088D41FB343F1D6168FA9CCC6A8A7. Registration will be open until the conclusion of the Webcast. The Webcast replay and Presentation will be available on the “Events and Presentations” section of the Company’s website at https://investors.cleanenergyfuels.com for approximately 60 days.

As provided in General Instruction B.2 of Form 8-K, the information in this Item 7.01 of this Current Report on Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such 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.