Figure 1 - Impacts of Transportation on the Environment

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Figure 1 is a conceptual diagram (three stages) of the environmental impacts of transportation from a life cycle perspective. Phases (Stage 1) of transportation include fuel production and delivery, infrastructure...

Table 1 - Alleged Negative and Positive Impacts of Sprawl

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Figure 1 - Reported Oil Spills by Type: 1994-1999

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SOURCE: U.S. Department of Transportation, U.S. Coast Guard, Volume of Spills by Source, Oil Spill Compendium Data Tables, July 1999, available at http://www.uscg.mil, as of June 8, 2000.

Figure 1 - National Transportation Emissions Trends Index: 1970-1998

1970 = 1.0; 1990 = 1.0 for PM-2.5 and ammonia

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Carbon monoxide (CO)

Volatile organic compounds (VOC)

Particulate matter 2.5 microns in diameter or smaller (PM-2....

Figure 1 - U.S. Carbon Dioxide Emissions from Energy Use by Sector: 1990 and 1999

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NOTES: Electric utility emissions are distributed across end-use sectors. Numbers may not add to totals due to rounding. Tons of carbon can be converted to tons of...

Table 2 - Wetlands Lost and Created Under the Federal Aid Highway Program: 1996-2000

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Figure 1 - Disposal/Use of Material Dredged by the U.S. Army Corps of Engineers

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Key to terms used: Beach nourishmentbeach restoration in which hydraulically pumped dredge material is directly placed onto an eroded beach. Confinedplacement of dredged...

Figure 1 - Energy Intensities of Passenger Modes: 1980-1998

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Automobiles

Buses

Certificated air carriers

Rail

KEY: Btu = British thermal units.

SOURCE: Stacy C. Davis, Transportation Energy Data Book, Edition...

Table 1 - Leaking Underground Storage Tank Releases and Cleanups

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Figure 1 - Transportation's Share of U.S. Petroleum Use: 1973-1999

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SOURCE: U.S. Department of Energy, Energy Information Administration, Annual Energy Review 1999 (Washington, DC: July 2000), table, 5.12.