Table 4-10. Estimated Consumption of Alternative and Replacement Fuels for Highway Vehicles (Thousand gasoline-equivalent gallons)

Table 4-10. Estimated Consumption of Alternative and Replacement Fuels for Highway Vehicles (Thousand gasoline-equivalent gallons)

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  1992 1993 1994 1995 1996 1997 1998R 1999 2000E
Alternative fuels                 
Liquefied petroleum gases 208,142 264,655 248,467 232,701 239,158 238,356 241,583 R243,648 249,550
Compressed natural gas 16,823 21,603 24,160 35,162 46,923 R65,192 73,251 R86,073 104,501
Liquefied natural gas 585 1,901 2,345 2,759 3,247 3,714 5,343 R6,062 7,460
Methanol, 85%a 1,069 1,593 2,340 2,023 1,775 1,554 1,212 R1,108 1,062
Methanol, neat 2,547 3,166 3,190 2,150 347 347 449 R449 449
Ethanol, 85%a 21 48 80 190 694 1,280 1,727 R2,489 3,283
Ethanol, 95%a 85 80 140 995 2,699 1,136 59 59 59
Electricity 359 288 430 663 773 1,010 1,202 R1,458 1,712
Total 229,631 293,334 281,152 276,643 295,616 R312, 589 324,826 R341,346 368,076
Oxygenates                 
Methyl-tertiary-butyl-etherb 1,175,000 2,069,200 2,018,800 2,691,200 2,749,700 3,104,200 2,915,600 R3,079,800 3,111,500
Ethanol in gasohol 701,000 760,000 845,900 910,700 660,200 830,700 916,000 R890,200 908,700
Traditional fuels                 
Gasolinec 110,135,000 111,323,000 113,144,000 115,943,000 117,783,000 119,336,000 122,849,000 R124,591,000 127,568,000
Diesel 23,866,000 24,296,630 27,293,370 28,555,040 30,101,430 31,949,270 33,665,360 R34,239,260 35,212,860
Total 134,001,000 135,620,000 140,437,000 144,498,000 147,884,000 151,285,270 156,514,360 R158,830,260 162,780,860
TOTAL fuel consumptiond 134,231,000 135,913,000 140,719,000 144,775,000 148,180,000 R151,597,859 156,839,186 R159,171,606 163,148,936

a The remaining portion of 85% methanol, 85% ethanol, and 95% ethanol fuels is gasoline. Consumption data include the gasoline portion of the fuel.
b Includes a very small amount of other ethers, primarily tertiary-amyl-methyl-ether and ethyl-tertiary-butyl-ether.
c Gasoline consumption includes ethanol in gasohol and methyl-tertiary-butyl-ether.
d Total fuel consumption is the sum of alternative fuels, gasoline and diesel. Oxygenate consumption is included in gasoline consumption.

KEY: E = estimate; R = revised.

NOTE: Numbers may not add to totals due to rounding.

SOURCE: U.S. Department of Energy, Energy Information Administration, available at Internet site www.eia.doe.gov as of June 26, 2000.