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INVENTORIES

9 Months Ended

Sep. 30, 2010

Note 4 - Inventories

Inventories by major categories are summarized as follows:

	September 30, 2011		December 31, 2010

Compressed natural gas	$	212,761	$	199,569
Liquefied petroleum gas		219,271		578,264
Dimethyl ether		107,175		97,452
Vehicle modification components and other		368,057		145,627

Total	$	907,264	$	1,020,912