CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue:
Total revenue	$ 125,687	$ 86,095	$ 306,408	$ 163,718
Cost of sales (exclusive of depreciation and amortization shown separately below):
Selling, general and administrative	26,501	22,303	80,909	65,350
Depreciation and amortization	20,539	11,092	42,485	34,208
Total operating expenses	134,315	89,196	346,966	252,671
Operating loss	(8,628)	(3,101)	(40,558)	(88,953)
Interest expense	(670)	(1,038)	(4,479)	(3,476)
Interest income	1,019	334	1,773	828
Other income, net	25	62	59	906
Income (loss) from equity method investments	(728)	(355)	(3,598)	(660)
Loss before income taxes	(8,982)	(4,098)	(46,803)	(91,355)
Income tax expense	(106)	(60)	(223)	(199)
Net loss	(9,088)	(4,158)	(47,026)	(91,554)
Loss attributable to noncontrolling interest	115	224	627	784
Net loss attributable to Clean Energy Fuels Corp.	$ (8,973)	$ (3,934)	$ (46,399)	$ (90,770)
Net loss attributable to Clean Energy Fuels Corp. per share:
Basic (in dollars per share)	$ (0.04)	$ (0.02)	$ (0.21)	$ (0.43)
Diluted (in dollars per share)	$ (0.04)	$ (0.02)	$ (0.21)	$ (0.43)
Weighted-average common shares outstanding:
Basic (in shares)	222,239,376	223,008,202	222,409,802	209,771,584
Diluted (in shares)	222,239,376	223,008,202	222,409,802	209,771,584
Product revenue
Revenue:
Total revenue	$ 113,360	$ 74,354	$ 271,720	$ 133,081
Cost of sales (exclusive of depreciation and amortization shown separately below):
Cost of sales	79,710	48,254	203,258	134,356
Service revenue
Revenue:
Total revenue	12,327	11,741	34,688	30,637
Cost of sales (exclusive of depreciation and amortization shown separately below):
Cost of sales	$ 7,565	$ 7,547	$ 20,314	$ 18,757