NOTES: Railroad diesel fuel price and highway vehicle- and aircraft-miles of travel data were not available for 2003 when this report was prepared. Current dollars (available in table 15-4b in appendix B) were converted to 2000 chained dollars by the Bureau of Transportation Statistics to eliminate the effects of inflation over time.
SOURCES: Except railroad diesel—U.S. Department of Energy, Energy Information Administration,
Monthly Energy Review, tables 9.1 (crude oil), 9.4 (motor gasoline), and 9.7 (aviation, jet, and
diesel no. 2), available at http://www.eia.doe.gov/mer/prices.html, as of May 2004.
Vehicle- and aircraft-miles of travel per capita— calculated using data from U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2003, table 1-32, available only at http://www.bts.gov, as of May 2004. U.S. Department of Commerce, U.S. Census Bureau, Statistical Abstract 2003, Mini Historical Statistics, available at http://www.census.gov/statab/www/minihs.html, as of May 2004.