Figure 14,,,,, U.S. Carbon Dioxide Emissions from Energy Use,,,,, (Million metric tons of carbon),,,,, Year,Residential,Commercial,Industrial,Transportation, 1980,248.4,178.2,484.6,378.1, 1981,239.7,178.2,463.7,374.1, 1982,237.5,178.1,407.8,365.6, 1983,236.1,179.9,399.3,366.9, 1984,241.1,188.7,436.0,379.0, 1985,245.8,189.6,424.5,384.3, 1986,244.0,190.4,412.2,399.0, 1987,251.0,197.2,427.3,411.0, 1988,264.8,207.6,448.2,427.3, 1989,267.5,209.9,450.1,432.6, 1990,R257.0,R210.3,R452.7,431.8, 1991,R261.6,R210.4,R439.8,R424.2, 1992,R261.8,R210.8,R455.1,431.1, 1993,R278.4,R217.2,R452.9,436.4, 1994,R275.8,R220.4,R463.3,449.3, 1995,R277.9,R224.6,R461.1,457.8, 1996,R293.9,R233.1,R476.1,468.9, 1997,R292.8,R245.4,R481.5,473.6, 1998,R293.7,R250.4,R469.5,481.9, 1999,R298.8,R252.0,R465.8,R499.4, 2000,R312.0,R264.0,R469.0,513.0, 2001,P318.0,P280.0,P426.0,P516.0, Key: P = preliminary; R = revised.,,,,, "Notes: One ton of carbon equals 3.667 tons of carbon dioxide gas. Electric utility emissions are spread across end-user sectors. ",,,,, ,,,,, "Source: 1980–1989—Appendix E available at www.eia.doe.gov/oiaf/ 1605/ggrpt/appendixes.html. 1990–2001—U.S. Department of Energy, Energy Information Administration, U.S. Carbon Dioxide from Energy Sources 2001 Flash Estimate, available at www.eia.doe.gov/oiaf/ 1605a.html.",,,,, ,,,,, ,,,,, ,,,,