Table B1. Carbon Emissions Coefficients at Full Combustion, 1990-1998
(Million Metric Tons of Carbon per Quadrillion Btu)

Fuel 1990 1991 1992 1993 1994 1995 1996 1997 P1998
Petroleum  
  Motor Gasoline 19.41 19.41 19.42 19.43 19.45 19.38 19.36 19.35 19.33
  LPG 16.99 16.98 16.99 16.97 17.01 17.00 16.99 16.99 16.99
  Jet Fuel 19.40 19.40 19.39 19.37 19.35 19.34 19.33 19.33 19.33
  Distillate Fuel 19.95 19.95 19.95 19.95 19.95 19.95 19.95 19.95 19.95
  Residual Fuel (All Other) 21.49 21.49 21.49 21.49 21.49 21.49 21.49 21.49 21.49
  Residual Fuel (Utility) 21.29 21.29 21.29 21.29 21.29 21.29 21.29 21.29 21.29
  Asphalt and Road Oil 20.62 20.62 20.62 20.62 20.62 20.62 20.62 20.62 20.62
  Lubricants 20.24 20.24 20.24 20.24 20.24 20.24 20.24 20.24 20.24
  Petrochemical Feed 19.37 19.37 19.37 19.37 19.37 19.37 19.37 19.37 19.37
  Aviation Gas 18.87 18.87 18.87 18.87 18.87 18.87 18.87 18.87 18.87
  Kerosene 19.72 19.72 19.72 19.72 19.72 19.72 19.72 19.72 19.72
  Petroleum Coke 27.85 27.85 27.85 27.85 27.85 27.85 27.85 27.85 27.85
  Special Naphtha 19.86 19.86 19.86 19.86 19.86 19.86 19.86 19.86 19.86
  Waxes and Miscellaneous 19.81 19.81 19.81 19.81 19.81 19.81 19.81 19.81 19.81
  Industrial Sector "Other"a 17.46 17.83 17.39 16.12 16.36 15.69 16.25 16.32 15.64
Coal  
  Residential/Commercial 25.92 26.00 26.13 25.97 25.95 26.00 25.92 26.00 26.00
  Industrial Coking 25.51 25.51 25.51 25.51 25.52 25.53 25.55 25.56 25.56
  Other Industrial 25.58 25.60 25.62 25.61 25.63 25.63 25.61 25.63 25.63
  Electric Utility 25.68 25.69 25.69 25.71 25.72 25.74 25.74 25.76 25.76
  Flare Gas 14.92 14.92 14.92 14.92 14.92 14.92 14.92 14.92 14.92
  Natural Gas 14.47 14.47 14.47 14.47 14.47 14.47 14.47 14.47 14.47
  Crude Oil 20.16 20.18 20.22 20.22 20.21 20.23 20.25 20.24 20.24
P = preliminary data.
aComposite coefficient based on final calculations, accounting for fraction not combusted and deductions for nonfuel use, using unpublished disaggregated energy data.
Source: Energy Information Administration, Emissions of Greenhouse Gases in the United States 1997, DOE/EIA-0573(97) (Washington, DC, October 1998), pp. 105-110, and estimates presented in this report.

Back to Appendix B:  Carbon Coefficients Used in This Report