Table A4. Carbon Emissions from International Bunker 
Fuels Supplied in the United States, 1990-1998

Item 1990 1991 1992 1993 1994 1995 1996 1997 P1998
Carbon Emissions (Million Metric Tons)  
  Marine Bunkers  
    Distillate Fuel 1.6 1.6 1.5 1.7 1.4 1.6 1.2 1.2 1.7
    Residual Fuel 16.9 17.1 14.3 11.4 11.2 11.1 11.4 12.2 12.7
      Total Marine 18.5 18.7 15.8 13.0 12.6 12.7 12.7 13.4 14.4
Aviation Bunkers  
   U.S. Carriers 5.0 5.0 5.3 5.3 5.5 5.7 6.0 6.3 6.6
   Foreign Carriers 5.8 6.1 6.3 6.6 6.7 7.2 7.5 8.2 8.8
      Total Aviation 10.9 11.1 11.6 11.9 12.3 13.0 13.5 14.5 15.4
Total Carbon Emissions 29.3 29.8 27.4 24.9 24.8 25.7 26.1 27.9 29.8
 
Fuel Consumption (Quadrillion Btu)  
   Marine 0.9 0.9 0.7 0.6 0.6 0.6 0.6 0.6 0.7
   Aviation 0.6 0.6 0.6 0.6 0.6 0.7 0.7 0.8 0.8
      Total 1.4 1.5 1.4 1.2 1.2 1.3 1.3 1.4 1.5

P = preliminary data.
Source: EIA estimates, based on unpublished fuel consumption data from the U.S. Department of Commerce.

Back to Appendix A:  Estimation Methods