1、UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549FORM 10-K(Mark One)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THESECURITIES EXCHANGE ACT OF 1934For the fiscal year ended:December 31,2018orTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THESECURITIES EXCHANGE ACT OF 1934Co
2、mmission File Number:001-33480CLEAN ENERGY FUELS CORP.(Exact name of registrant as specified in its charter)Delaware33-0968580(State or other jurisdiction of incorporation or organization)(IRS Employer Identification No.)4675 MacArthur Court,Suite 800,Newport Beach,CA 92660(Address of principal exec
3、utive offices,including zip code)(949)437-1000(Registrants telephone number,including area code)Securities registered pursuant to Section 12(b)of the Act:Title of each className of each exchange on which registeredCommon Stock,par value$0.0001 per shareThe Nasdaq Stock MarketSecurities registered pu
4、rsuant to section 12(g)of the Act:NoneIndicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d)of the Act.Yes No Indicat
5、e by check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the Securities Exchange Actof 1934 during the preceding 12 months(or for such shorter period that the registrant was required to file such reports),and(2)has been subject tosuch filing requir
6、ements for the past 90 days.Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant toRule 405 of Regulation S-T(229.405 of this chapter)during the preceding 12 months(or for such shorter period that the registra