Freight Facts and Figures 2012
Table 5-16. U.S. Greenhouse Gas Emissions by Economic End-Use Sector: 1990, 1995, 2000, 2005-2010 (electricity-related emissions distributed among sectors) (Historical)1
Millions of metric tonnes of CO2 equivalent
 Sector |
(R) 1990 | 1995 | 2000 | (R) 2005 | (R) 2006 | (R) 2007 | (R) 2008 | (R) 2009 | 2010 |
|---|---|---|---|---|---|---|---|---|---|
| Industry2 | 2,237.7 | 2,228.0 | 2,314.4 | 2,159.9 | 2,198.5 | 2,185.9 | 2,131.5 | 1,905.8 | 2,019.0 |
| Transportation3 | 1,548.3 | 1,698.3 | 1,935.8 | 2,022.3 | 1,999.1 | 2,007.6 | 1,894.6 | 1,823.9 | 1,838.6 |
| Commercial | 939.4 | 1,000.2 | 1,135.8 | 1,193.6 | 1,174.8 | 1,216.9 | 1,213.3 | 1,151.3 | 1,171.0 |
| Residential | 953.2 | 1,024.5 | 1,162.2 | 1,244.6 | 1,183.4 | 1,238.5 | 1,227.3 | 1,162.9 | 1,226.6 |
| Agriculture | 462.9 | 497.1 | 518.4 | 522.5 | 544.2 | 550.5 | 533.3 | 518.9 | 521.1 |
| U.S. Territories4 | 33.7 | 40.7 | 46.0 | 58.2 | 59.3 | 53.5 | 48.4 | 45.5 | 45.5 |
| Total | 6,175.2 | 6,488.8 | 7,112.7 | 7,204.2 | 7,159.3 | 7,252.8 | 7,048.3 | 6,608.3 | 6,821.8 |
Key: CO2 = carbon dioxide; R = revised
1Emissions from electricity generation are allocated to each economic end-use sector on the basis of each sector's share of aggregate electricity consumption. This method assumes each sector consumes electricity that is generated from the national average mix of fuels according to their carbon intensity.
2Industry includes manufacturing, construction, and mining. Six manufacturing industries—petroleum refineries, chemicals, primary metals, paper, food, and nonmetallic mineral products—represent the vast majority of energy use and thus GHG emissions in the industrial sector.
3Includes emissions from military aircraft (12.5 million of metric tonnes in 2010) and "other" transportation, primarily lubricants (9.5 million of metric tonnes in 2010). Emissions from international bunker fuels are not included.
4Electricity-related emissions were not distributed to U.S. Territories.
Notes:
Greenhouse gas (GHG) emissions include CO2, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride. CO2 equivalent is computed by multiplying the weight of the gas being measured by its estimated Global Warming Potential (GWP). The Intergovernmental Panel on Climate Change developed the GWP concept to compare the ability of one GHG to trap heat in the atmosphere to another gas. Carbon comprises 12/44 of CO2 by weight. Numbers may not add to totals due to rounding.
Source:
U.S. Environmental Protection Agency, Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2010, EPA 430-R-12-001 (Washington, DC: April 15, 2012), table ES-8, available at epa.gov/climatechange/emissions/usinventoryreport.html as of May 10, 2012.
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