Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 98 - Mandatory Greenhouse Gas Reporting |
Subpart C - General Stationary Fuel Combustion Sources |
Table C-1 to Subpart C of Part 98 - Default CO2 Emission Factors and High Heat Values for Various Types of Fuel
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Table C-1 to Subpart C of Part 98 - Default CO2 Emission Factors and High Heat Values for Various Types of Fuel
Default CO2 Emission Factors and High Heat Values for Various Types of Fuel
Fuel type Default high heat value Default CO2
emission
factorCoal and coke mmBtu/short ton kg CO2/mmBtu Anthracite 25.09 103.69 Bituminous 24.93 93.28 Subbituminous 17.25 97.17 Lignite 14.21 97.72 Coal Coke 24.80 113.67 Mixed (Commercial sector) 21.39 94.27 Mixed (Industrial coking) 26.28 93.90 Mixed (Industrial sector) 22.35 94.67 Mixed (Electric Power sector) 19.73 95.52 Natural gas mmBtu/scf kg CO2/mmBtu (Weighted U.S. Average) 1.026 × 10−3 53.06 Petroleum products - liquid mmBtu/gallon kg CO2/mmBtu Distillate Fuel Oil No. 1 0.139 73.25 Distillate Fuel Oil No. 2 0.138 73.96 Distillate Fuel Oil No. 4 0.146 75.04 Residual Fuel Oil No. 5 0.140 72.93 Residual Fuel Oil No. 6 0.150 75.10 Used Oil 0.138 74.00 Kerosene 0.135 75.20 Liquefied petroleum gases (LPG)1 0.092 61.71 Propane1 0.091 62.87 Propylene2 0.091 67.77 Ethane1 0.068 59.60 Ethanol 0.084 68.44 Ethylene2 0.058 65.96 Isobutane1 0.099 64.94 Isobutylene1 0.103 68.86 Butane1 0.103 64.77 Butylene1 0.105 68.72 Naphtha (<401 deg F) 0.125 68.02 Natural Gasoline 0.110 66.88 Other Oil (>401 deg F) 0.139 76.22 Pentanes Plus 0.110 70.02 Petrochemical Feedstocks 0.125 71.02 Special Naphtha 0.125 72.34 Unfinished Oils 0.139 74.54 Heavy Gas Oils 0.148 74.92 Lubricants 0.144 74.27 Motor Gasoline 0.125 70.22 Aviation Gasoline 0.120 69.25 Kerosene-Type Jet Fuel 0.135 72.22 Asphalt and Road Oil 0.158 75.36 Crude Oil 0.138 74.54 Petroleum products - solid mmBtu/short ton kg CO2/mmBtu. Petroleum Coke 30.00 102.41. Petroleum products - gaseous mmBtu/scf kg CO2/mmBtu. Propane Gas 2.516 × 10−3 61.46. Other fuels - solid mmBtu/short ton kg CO2/mmBtu Municipal Solid Waste 9.953 90.7 Tires 28.00 85.97 Plastics 38.00 75.00 Other fuels - gaseous mmBtu/scf kg CO2/mmBtu Blast Furnace Gas 0.092 × 10−3 274.32 Coke Oven Gas 0.599 × 10−3 46.85 Fuel Gas4 1.388 × 10−3 59.00 Biomass fuels - solid mmBtu/short ton kg CO2/mmBtu Wood and Wood Residuals (dry basis)5 17.48 93.80 Agricultural Byproducts 8.25 118.17 Peat 8.00 111.84 Solid Byproducts 10.39 105.51 Biomass fuels - gaseous mmBtu/scf kg CO2/mmBtu Landfill Gas 0.485 × 10−3 52.07 Other Biomass Gases 0.655 × 10−3 52.07 Biomass Fuels - Liquid mmBtu/gallon kg CO2/mmBtu Ethanol 0.084 68.44 Biodiesel (100%) 0.128 73.84 Rendered Animal Fat 0.125 71.06 Vegetable Oil 0.120 81.55 [78 FR 71950, Nov. 29, 2013, as amended at 81 FR 89252, Dec. 9, 2016]