The Federal Government used nearly 9 million gasoline-gallon equivalents of alternative fuel in 2010. The majority of the fuel used (92%) was E-85, a combination of 85% ethanol and 15% gasoline. The Government's use of liquefied petroleum gas (LPG), compressed natural gas (CNG), and liquefied natural gas (LNG) has declined over the last few years. In 2010, electricity use grew due to a large acquisition of electric vehicles for the Federal fleet.

Federal Alternative Fuel Use, 2006-2010
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Supporting Information

Federal Alternative Fuel Use (Gasoline-gallon Equivalents)
Fuel Type20062007200820092010
CNG806,985888,694731,228499,249503,535
Electric5,4495,3164,3573,99636,383
Ethanol/E-853,205,6933,853,4496,292,5557,921,6498,200,471
LNG89,57794,51259,30234,939481
LPG105,135321,545399,069207,564194,868
Hydrogen0038431790
Total4,212,8395,163,5167,486,5498,667,8288,936,528

Source:
General Services Administration, 2010 Federal Fleet Report, Table 5-1.

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