Ghg Emission Factors: mobile_combustion
GHG emission factors for carbon footprint and greenhouse gas inventory calculations — 64 records across 6 source categories. Stationary combustion (natural gas, diesel, propane, coal, fuel oils, biomass) in kg CO2e per mmBtu or per physical unit. Mobile combustion (gasoline, diesel, jet fuel, marine) in kg CO2e per gallon. Electricity by 26 EPA eGRID2022 US subregions + national average in kg CO2e per MWh. Refrigerant GWP (R-134a through SF6) in kg CO2e per kg refrigerant. Process emissions (cement, steel, aluminum, lime). Waste (landfill, composting, recycling credits). Sources: EPA GHG Emission Factors Hub 2024, EPA eGRID2022, IPCC AR5 WG1 Annex II, 40 CFR Part 98, GHG Protocol Corporate Standard, EPA WARM v15.
| emission source type | record id | ch4 g per unit (g CH4/unit) | co2 kg per unit (kg CO2/unit) | co2e kg per unit (kg CO2e/unit) | fuel or source | gwp basis | n2o g per unit (g N2O/unit) | notes | unit notes | unit of activity |
|---|---|---|---|---|---|---|---|---|---|---|
| mobile_combustion | diesel_offroad_gal | 0.5 | 10.19 | 10.23 | diesel (off-road equipment) | AR5 GWP100 CH4=28 N2O=265 | 0.53 | Construction equipment; agricultural machinery; industrial vehicles | per gallon of diesel (off-road mobile combustion) | gallon |
| mobile_combustion | diesel_vehicle_gal | 0.05 | 10.21 | 10.23 | diesel (on-road vehicles) | AR5 GWP100 CH4=28 N2O=265 | 0.47 | Trucks buses heavy equipment; N2O higher for vehicles due to catalyst differences vs stationary | per gallon of diesel (on-road mobile combustion) | gallon |
| mobile_combustion | gasoline_gal | 0.37 | 8.78 | 8.81 | motor gasoline | AR5 GWP100 CH4=28 N2O=265 | 0.099 | CO2: 8.78 kg/gal = 70.22 kg/mmBtu × 0.125 mmBtu/gal; passenger vehicles and light trucks | per gallon of gasoline consumed | gallon |
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