Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of information required to compute basic and diluted net loss per share

The following table sets forth the computations of basic and diluted earnings per share for the years ended December 31, 2019, 2020 and 2021 (in thousands, except share and per share amounts):

	2019		2020		2021
Net income (loss) attributable to Clean Energy Fuels Corp.	$	20,421	$	(9,864)	$	(93,146)
Weighted-average common shares outstanding		204,573,287		200,657,912		213,118,694
Dilutive effect of potential common shares from restricted stock units, stock options and stock warrants		1,414,222		—		—
Weighted-average common shares outstanding - diluted		205,987,509		200,657,912		213,118,694
Basic income (loss) per share	$	0.10	$	(0.05)	$	(0.44)
Diluted income (loss) per share	$	0.10	$	(0.05)	$	(0.44)

Schedule of potentially dilutive securities that have been excluded from the diluted net loss per share calculations because their effect would have been antidilutive

The following potentially dilutive securities have been excluded from the diluted net income (loss) per share calculations because their effect would have been antidilutive. Although these securities were antidilutive for these periods, they could be dilutive in future periods.

(in shares)	2019	2020	2021
Stock options	7,652,463	8,142,831	17,153,671
Convertibles notes	3,164,557	1,112,783	—
Restricted stock units	—	978,716	1,126,942
Amazon warrant shares	—	—	58,767,714
Total	10,817,020	10,234,330	77,048,327