Figure 1 - Disposition of Used Lead-Acid Batteries

Passenger cars, trucks, and motorcycles

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SOURCE: U.S. Environmental Protection Agency, Office of Solid Waste, Characterization of Municipal Solid Waste in the United States (Washington, DC:...

Figure 2 - Modal Share of Key Transportation-Related Air Pollutants: 1998

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KEY: CO = carbon monoxide; NOx = nitrogen oxides; VOC = volatile organic compounds; PM-10 = particulate matter 10 microns in diameter or smaller.

NOTE: Other...

Table 1 - U.S. Carbon Dioxide Emissions from Transportation: 1990 and 1999

(Million metric tons of carbon)

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Aircraft Noise - Box

Sound is measured on a logarithmic (nonlinear) scale in decibel (dB) units. There are different dB scales. Transportation noise is usually measured in dBAs, the so-called A-weighted scale that emphasizes sound frequencies that people hear best. On...

Table 1 - Mobile Source Air Toxics (MSATs): 1996

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Figure 2 - Average Motor Fuel Expenditures per Household: 1997-2000

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SOURCE: Bureau of Transportation Statistics estimates based on energyconsumption and expenditure data from U.S. Department of Energy, Energy Information Administration. Household data from...

Figure 1 - Transportation Fuel Consumption in the United States: 1999

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NOTE: The remaining portion of 85% methanol and ethanol fuels is gasoline. Figure is not proportional.

SOURCE: U.S. Department of Energy, Energy Information...

Figure 1 - National Trend in Annual Average Benzene Concentration in Metropolitan Areas: 1993-1998

SOURCE: U.S. Environmental Protection Agency, Office of Air QualityPlanning and Standards, National Air Quality and Emissions Trends Report, 1998, available at http://www.epa.gov/oar/...

Map - Distribution of the West Nile Virus: 2000

SOURCE: U.S. Department of Agriculture, Animal and Plant Health Inspection Service, available at http://www.aphis.usda.gov/oa/wnv/index.html, as of May 8, 2001.

Table 1 - Energy Consumption by End-Use Sector

(Quadrillion BTU)

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