Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue:
Product revenues	$ 83,483	$ 65,776
Service revenues	9,560	7,858
Total revenues	93,043	73,634
Cost of sales:
Product cost of sales	46,814	51,902
Service cost of sales	3,927	3,984
Derivative losses:
Series I warrant valuation	466	13,506
Selling, general and administrative	32,876	24,850
Depreciation and amortization	10,158	8,144
Total operating expenses	94,241	102,386
Operating loss	(1,198)	(28,752)
Interest expense, net	(5,071)	(3,702)
Other income (expense), net	(390)	841
Income (loss) from equity method investment	(76)	91
Gain from sale of equity method investment	4,705
Loss before income taxes	(2,030)	(31,522)
Income tax expense	(1,805)	(246)
Net loss	(3,835)	(31,768)
Income of noncontrolling interest	(36)	(137)
Net loss attributable to Clean Energy Fuels Corp.	$ (3,871)	$ (31,905)
Loss per share attributable to Clean Energy Fuels Corp.:
Basic (in dollars per share)	$ (0.04)	$ (0.37)
Diluted (in dollars per share)	$ (0.04)	$ (0.37)
Weighted-average common shares outstanding:
Basic (in shares)	93,132,454	85,677,090
Diluted (in shares)	93,132,454	85,677,090