Emission Factors for Greenhouse Gas Inventories

1 Last Modified: 9 March 2018 Red text indicates an update from the 2015 version of this GWPCH425 N2O298 Table 1 Stationary CombustionFuel TypeHeat Content (HHV)CO2 FactorCH4 FactorN2O FactorCO2 FactorCH4 FactorN2O FactormmBtu per short tonkg CO2 per mmBtug CH4 per mmBtug N2O per mmBtukg CO2 per short tong CH4 per short tong N2O per short tonCoal and CokeAnthracite 11 2,602 276 40 Bituminous 11 2,325 274 40 Sub-bituminous 11 1,676 190 28 Lignite 11 1,389 156 23 Mixed (Commercial Sector)

2 11 2,016 235 34 Mixed (Electric Power Sector) 11 1,885 217 32 Mixed (Industrial Coking) 11 2,468 289 42 Mixed (Industrial Sector) 11 2,116 246 36 Coal 11 2,819 273 40 Other Fuels - SolidMunicipal Solid 32 902 318 42 Petroleum Coke (Solid)

3 32 3,072 960 126 32 2,850 1,216 160 32 2,407 896 118 Biomass Fuels - SolidAgricultural 32 975 264 35 32 895 256 34 Solid 32 1,096 332 44 Wood and Wood 1.

4 640 126 63 mmBtu per scfkg CO2 per mmBtug CH4 per mmBtug N2O per mmBtukg CO2 per scfg CH4 per scfg N2O per scfNatural GasNatural Other Fuels - GaseousBlast Furnace Coke Oven Fuel Propane Biomass Fuels - GaseousLandfill Other Biomass mmBtu per gallonkg CO2 per mmBtug CH4 per mmBtug N2O per mmBtukg CO2 per gallong CH4 per gallong N2O per gallonPetroleum ProductsAsphalt and Road Aviation

5 Crude Distillate Fuel Oil No. Distillate Fuel Oil No. Distillate Fuel Oil No. Heavy Gas

6 Kerosene-Type Jet Liquefied Petroleum Gases (LPG) Motor Naphtha (<401 deg F) Natural Other Oil (>401 deg F)

7 Pentanes Petrochemical Petroleum Residual Fuel Oil No.

8 Residual Fuel Oil No. Special Unfinished Used Biomass Fuels - LiquidBiodiesel (100%) Ethanol (100%)

9 Rendered Animal Vegetable Biomass Fuels - Kraft Pulping Liquor, by Wood Furnish North American North American Source: # Factors for Greenhouse Gas InventoriesTypically, Greenhouse gas emissions are reported in units of carbon dioxide equivalent (CO2e).

10 Gases are converted to CO2e by multiplying by their global warming potential (GWP). The Emission Factors listed in this document Source: Intergovernmental Panel on Climate Change (IPCC), Fourth Assessment Federal Register EPA; 40 CFR Part 98; e-CFR, June 13, 2017 (see link below). Table C-1, Table C-2, Table AA-1. Note: Emission Factors are per unit of heat content using higher heating values (HHV). If heat content is available from the fuel supplier, it is preferable to use that value. If not, default heat contents are text indicates an update from the 2015 version of this Factors for Greenhouse Gas InventoriesLast Modified: 9 March 2018 Table 2 Mobile Combustion CO2 Fuel Typekg CO2 per unitUnitAviation gallonBiodiesel (100%) gallonCompressed Natural Gas (CNG) scfDiesel gallonEthanol (100%) gallonKerosene-Type Jet gallonLiquefied Natural Gas (LNG) gallonLiquefied Petroleum Gases (LPG) gallonMotor gallonResidual Fuel gallonSource.