Introduction
IntroductionAmerica's transportation system has changed along with the nation's society and economy. The following table puts those changes in perspective:
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Characteristic 1970 2000 Resident population (thousands) 203,...General
Legacy ID
201
Glossary
GlossaryAir carrierCertificated provider of scheduled and nonscheduled services.
Chained dollarsA method to measure real changes in dollar values between years that uses chain-type indices, rather than constant dollars. The method first calculates the real changes between adjacent...
Figure 11 Index of Key Air Pollutant Emissions from U.S. Transportation: 1970-99
Figure 11 Index of Key Air Pollutant Emissions from U.S. Transportation: 1970-99Index: 1970 = 1.0, 1990 = 1.0 for PM-2.5 and ammonia
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year CO NOx VOC PM-10 PM-2.5 Lead Ammonia 1970 1.00 1.00 1.00 1.00 1.00 ...Figure 11 Index of Key Air Pollutant Emissions from U.S. Transportation: 1970-99
Figure 11 Index of Key Air Pollutant Emissions from U.S. Transportation: 1970-99Excel | CSV | Table Version
Key: NOx = oxides of nitrogen; PM-10 and PM-2.5 = airborne particulates of less than 10 microns or 2.5 microns, respectively; CO = carbon monoxide; VOC...
Figure 10 New Passenger Car and Light Truck Fuel Economy Averages: Model Years 1978-2000
Figure 10 New Passenger Car and Light Truck Fuel Economy Averages: Model Years 1978-2000(Miles per gallon)
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Year Car Light Truck 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...Figure 10 New Passenger Car and Light Truck Fuel Economy Averages: Model Years 1978-2000
Figure 10 New Passenger Car and Light Truck Fuel Economy Averages: Model Years 1978-2000Excel | CSV | Table Version
Source: U.S. Department of Transportation, National Highway Traffic Safety Administration,
Automotive Fuel Economy Program,...
Figure 9 U.S. Carbon Dioxide Emissions from Energy Use
Figure 9 U.S. Carbon Dioxide Emissions from Energy UseExcel | CSV | Table Version
Key: P = 2000 data are preliminary.
Notes: One ton of carbon equals 3.667 tons of carbon dioxide gas. Electric utility emissions are spread across end-user...
Figure 9 U.S. Carbon Dioxide Emissions from Energy Use
Figure 9 U.S. Carbon Dioxide Emissions from Energy Use(Million metric tons of carbon)
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Year Residential Commercial Industrial Transportation 1980 248.4 178.2 484.6 378.1 1981 239.7 178.2 463.7 374.1 1982 237.5 178.1...Figure 8 Transportation's Share of U.S. Petroleum Use
Figure 8 Transportation's Share of U.S. Petroleum UseExcel | CSV | Table Version
Source: U.S. Department of Energy, Energy Information Administration,Annual Energy Review 2000 (Washington, DC: August 2001), table, 5.12.
Figure 8 Transportation's Share of U.S. Petroleum Use
Figure 8 Transportation's Share of U.S. Petroleum Use(Million Barrels Per Day)
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Year Transportation Industry Buildings Utilities 1950 3.36 1.82 1.07 0.21 1951 3.69 1.98 1.17 0.18 1952 3.87 2.02 1.20 0.18 1953...