1.4 : Environmental Data




1.4.7 2009 Methane Emissions for U.S. Buildings Energy Production, by Fuel Type (MMT CO2 Equivalent) (1)
Fuel Type Residential Commercial Buildings Total
Petroleum 1.0 0.5 1.6
Natural Gas 41.0 26.8 67.8
Coal 0.0 0.3 0.3
Wood 2.6 0.4 3.0
Electricity (2) 52.8 50.5 103.3
Total 97.4 78.5 176.0
Note(s): 1) Sources of emissions include oil and gas production, processing, and distribution; coal mining; and utility and site combustion. Carbon Dioxide equivalent units are calculated by converting methane emissions to carbon dioxide emissions (methane's global warming potential is 23 times that of carbon dioxide). 2) Refers to emissions of electricity generators attributable to the buildings sector.









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