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Sources: Darmstadter, Joel, Energy in the World Economy, Resources for the Future, 1971 (world oil consumption in 1950) Davis, Stacy C., Transportation Energy Data Book, ORNL-6941, September 1998 (number of vehicles in the world in 1950 — used to estimate light vehicle oil use in 1950) EIA, Annual Energy Review 1997, DOE/EIA-0384(97), July 1998, (U.S. oil consumption by sector in 1950; world oil consumption in 1996) EIA, Annual Energy Outlook 1998, DOE/EIA-0383(98), January 1998 (U.S. oil consumption within the transportation sector in 1996) International Energy Agency website, www.iea.org (percentage share of transportation and non-transportation oil consumption in 1996) |