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Carbon Dioxide Emissions Coefficients

 Release Date: February 14, 2013   |  Also available in spreadsheet

Carbon Dioxide Emissions Coefficients by Fuel
  Pounds CO2 Kilograms CO2 Pounds CO2 Kilograms CO2
Carbon Dioxide (CO2) Factors: Per Unit of Volume or Mass Per Unit of Volume or Mass Per Million Btu Per Million Btu
For homes and businesses
Propane 12.7/gallon 5.8/gallon 139.0 63.1
Butane 14.8/gallon 6.7/gallon 143.2 65.0
Butane/Propane Mix 13.7/gallon 6.2/gallon 141.1 64.0
Home Heating and Diesel Fuel 22.4/gallon 10.2/gallon 161.3 73.2
Kerosene 21.5/gallon 9.8/gallon 159.4 72.3
Coal (All types) 4,631.5/short ton 2,100.8/short ton 210.2 95.3
Natural Gas 119.9/thousand cubic feet 54.4/thousand cubic feet 117.0 53.1
Gasoline 19.6/gallon 8.9/gallon 157.2 71.3
Residual Heating Fuel (Businesses only) 26/gallon 11.8/gallon 173.7 78.8
Other transportation fuels
Jet Fuel 21.1/gallon 9.6/gallon 156.3 70.9
Aviation Gas 18.4/gallon 8.3/gallon 152.6 69.2
Industrial fuels and others not listed above
Flared natural gas 128.4/thousand cubic feet 58.2/thousand cubic feet 120.6 54.7
Petroleum coke 32.4/gallon 14.7/gallon 225.1 102.1
Other petroleum & miscellaneous 22.1/gallon 10.0/gallon 160.1 72.6
Nonfuel uses
Asphalt and Road Oil 26.3/gallon 11.9/gallon 166.7 75.6
Lubricants 23.6/gallon 10.7/gallon 163.6 74.2
Petrochemical Feedstocks 24.7/gallon 11.2/gallon 156.6 71.0
Special Naphthas (solvents) 20.1/gallon 9.1/gallon 160.5 72.8
Waxes 21.1/gallon 9.6/gallon 160.1 72.6
Coal by type
Anthractie 5,685.0/short ton 2,578.7/short ton 228.6 103.7
Bituminous 4,931.3/short ton 2,236.8/short ton 205.7 93.3
Subbituminous 3,715.9/short ton 1,685.5/short ton 214.3 97.2
Lignite 2,791.6/short ton 1,266.2/short ton 215.4 97.7
Coke 6,239.7/short ton 2,830.3/short ton 251.6 114.1
Source: U.S. Energy Information Administration estimates.
Note: To convert to carbon equivalents multiply by 12/44. Coefficients can vary slightly, depending upon estimation method.

Detailed factors (discontinued)