Figure 5-8 - National Transportation Emissions Trends Index: 1970-97

NOTE: In estimating criteria and related pollutant emissions for 1997, the Environmental Protection Agency (EPA) made adjustments to prior years. For onroad mobile sources, EPA revised 1996 data. For nonroad...

Figure 5-1 - Transportation Energy and Economic Activity: 1960-67

SOURCES: U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 1999 (Washington, DC: Forthcoming); U.S. Department of Commerce, Bureau of Economic Analysis,...

Table 5-1 - Alternative Transportation Fuels

(Million gasoline-equivalent gallons per year)

Table 5-4 - Aircraft-Related Criteria Pollutants Emitted at Airports: 1997

(Short tons)

Table 5-3 - Mobile Source Urban Hazardous Air Pollutants: 1990 Base Year

(Estimated tons per year)

Figure 5-5 - Fuel Economy of Light Vehicles by Class and Sales Change: 1990-97

SOURCE: S.C. Davis, Transportation Energy Data Book, Edition 18, ORNL-6941 (Oak Ridge, TN: Oak Ridge National Laboratory, 1998).

Table 5-6 - Wastes from Vehicle Dismantling Operations that may be Classified as Hazardous

Figure 5-2 - Transportation Energy Use by Mode: 1997

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 1999(Washington, DC: Forthcoming).

Figure 5-4 - U.S. Sales of Domestic and Foreign Light-Duty Vehicles by Class

SOURCE: S.C. Davis, Transportation Energy Data Book, Edition 18, ORNL-6941 (Oak Ridge, TN: Oak Ridge National Laboratory, 1998).

Chapter Five - Transportation, Energy, and the Environment

Without energy, vehicles and other forms of transportation cannot move. The U.S. transportation sector requires great quantities of energy, about a quarter of the national total. Petroleum supplies about 97 percent of the...