Table 1
|
Type of fuel | 1992 | 1999 |
---|---|---|
Alternative fuels | ||
Liquefied petroleum gas | 208,142 | 242,141 |
Compressed natural gas | 16,823 | 86,286 |
Liquefied natural gas | 585 | 5,828 |
Methanol (85%)1 | 1,069 | 1,073 |
Methanol, neat (100%) | 2,547 | 447 |
Ethanol (85%)1 | 21 | 2,075 |
Ethanol (95%)1 | 85 | 59 |
Electricity | 359 | 1,431 |
Subtotal | 229,631 | 339,340 |
Replacement fuels/oxygenates | ||
MTBE2 | 1,175,000 | 3,331,000 |
Ethanol in gasohol | 701,000 | 956,900 |
Traditional fuels | ||
Gasoline3 | 110,135,000 | 125,111,000 |
Diesel | 23,866,000 | 35,796,800 |
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.