Table A.3. Carbon Dioxide Uncontrolled Emission Factors

Fuel EIA Fuel Code
Factor (Kilograms of CO2 Per Million Btu)**
Notes
Bituminous Coal BIT 93.24  
Distillate Fuel Oil DFO 74.14  
Geothermal (Steam) GEO 11.8066666666667  
Geothermal (Binary Cycle) GEO 0  
Jet Fuel JF 72.2333333333333  
Kerosene KER 73.1866666666666  
Lignite Coal LIG 98.27  
Municipal Solid Waste MSW 49.8850630485971  
Natural Gas NG 52.91  
Petroleum Coke PC 102.116666666666  
Propane Gas PG 62.8833333333333  
Refined Coal RC 93.24 Assumed to have emissions similar to Bituminous Coal.
Residual Fuel Oil RFO 75.0933333333333  
Synthesis Gas Derived from Coal SGC * Factor is based on the fuel source used to produce the synthesis gas
Synthesis Gas Derived from Petroleum Coke SGP * Factor is based on the fuel source used to produce the synthesis gas
Subbituminous Coal SUB 97.13  
Tire-Derived Fuel TDF 85.97  
Waste Coal WC 93.24 Assumed to have emissions similar to Bituminous Coal.
Waste Oil WO 74  

Notes:
* Factors for synthesis gas derived from coal and synthesis gas derived from petroleum coke are based on the fuel source used to produce the synthesis gas.
** CO2 factors do not vary by combustion system type or boiler firing configuration.

Source: Energy Information Administration estimates:
http://www.eia.gov/environment/emissions/co2_vol_mass.cfm