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Index: 1990 = 1.0
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Year CO NOx VOC PM-10 PM-2.5 Lead SO2 1990 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1991 0.95 0.99 0.94 0.96 0.95...Index: 1990 = 1.0
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Key: PM-10 and PM-2.5 = airborne particulates of less than 10 microns or 2.5 microns, respectively.
...
Million metric tons of carbon
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Year Residential Commercial Industrial Transport-ation 1985 246 190 425 384 1986 244 190 412 399 1987 251 197...Million metric tons of carbon
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Notes: 2005 data are preliminary.
One ton of carbon equals 3.667 tons of carbon dioxide gas. Electric...
Miles per gallon
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Year Cars Light trucks 1985 27.0 20.6 1986 27.9 21.4 1987 28.1 21.6 1988 28.6 21.2 1989 28.1...Miles per gallon
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Note: 2005 data are revised from the previous edition. 2006 data are preliminary.
Source: U.S....
Millions of vehicles
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Year Cars Light trucks 1985 10.79 3.67 1986 11.02 4.35 1987 10.73 4.13 1988 10.74 4.56 1989 10.02 4.44...Millions of vehicles
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Notes: Data are based on Environmental Protection Agency (EPA) definitions of light trucks (gross vehicle weight of 8,500 pounds...
(Seasonally Adjusted)
Chain-type Index: 2000 = 100 (Yearly average based)
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Date TSI total TSI freight TSI passenger Jan-90 67.61 66.89 70.31 Feb-90 68.36 67.79 70...(Seasonally Adjusted)
Chain-type Index: 2000 = 100 (Yearly average based)
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Notes: The TSI total is a single index measure of monthly output of for-hire...