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Index: 1980 = 1.0, 1990 = 1.0 for PM-2.5 and ammonia
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Key: PM-10 and PM-2.5 = airborne particulates of less than 10...
Million metric tons of carbon
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Year Residential Commercial Industrial Transportation 1980 248 178 485 378 1981 240 178 464 374 1982 238 178 408...Million metric tons of carbon
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Notes: One ton of carbon equals 3.667 tons of carbon dioxide gas. Electric utility emissions are distributed across...
Millions
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Year Cars Light trucks 1980 9.443 1.864 1981 8.733 1.821 1982 7.819 1.913 1983 8.002 2.300 1984 10.675 3.344 1985...Millions
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Notes: 1998-2002 data are revised from previous editions. Data are based on Environmental Protection Agency definitions of light...
Miles per gallon
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Year Cars Light trucks 1978 19.9 N.A. 1979 20.3 18.2 1980 24.3 18.5 1981 25.9 20.1 1982 26.6 20.5...Miles per gallon
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Source: U.S. Department of Transportation, National Highway Traffic Safety Administration, Automotive...
(In current dollars)
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Average income (before taxes) $49,430 Average annual expenditures $40,677 Housing $13,283 33% Food $5,375 13...(In current dollars)
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Private vehicle expenditures $7,371 Vehicle purchases $3,665 Gasoline and motor oil $1,235 Other vehicle expenditures $2...(Percent)
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Function 2001 Housing 24.3 Health care 15.3 Food 12.2 Transportation-relateda 10.2 Education 7.5 Recreation 6.9...