(Thousand gasoline-equivalent gallons)
|Type of fuel||1992||1999|
|Liquefied petroleum gas||208,142||242,141|
|Compressed natural gas||16,823||86,286|
|Liquefied natural gas||585||5,828|
|Methanol, neat (100%)||2,547||447|
|Ethanol in gasohol||701,000||956,900|
|Total fuel consumption||134,230,631||161,247,140|
1The remaining portion of 85% methanol and both ethanol fuels is a gasoline. Data include gasoline portion of the fuel.
2 Methyl-tertiary-butyl-ether (MTBE) includes a small amount of other ethers, primarily tertiary-amyl-methyl-ether and ethyl-tertiary-butyl-ether.
3 Includes ethanol in gasohol and MTBE.
SOURCE: U.S. Department of Energy, Energy Information Administration, Alternatives to Traditional Transportation Fuels 1998 (Washington, DC: 2000), available at http://www.eia.doe.gov/cneaf/solar.renewables/alt_trans_fuel98/atf_99.html, as of May 2001.