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Emission factor finder

Look up a published emission factor by what it is for — diesel, grid electricity in India or another country, cement, business travel — and see its gases, basis and the table it came from.

  • 10,277 factors from 7 public sources
  • Gases, GWP basis and the publisher's table reference on every row
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438 factors · US EPA Emission Factors Hub 2025

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ActivityDetailRegion · yearFactorGasesSource · reference
Grid electricity — United StatesElectricityeGRID2023 subregion SRVC — SERC Virginia/Carolina (total output)Grid gross loss 4.2% (for Scope 3 category 3 activity C, not Scope 2)US-SRVC · 2023 data0.269003 kg CO₂e per kWhAR5 · Scope 2CO₂ 0.26771 · CH₄ 0.00002 · N₂O 0.000003US EPA Emission Factors Hub 2025Table 6 (590.2 lb CO2/MWh)
Grid electricity — United StatesElectricityeGRID2023 subregion US — US average (total output)Grid gross loss 4.2% (for Scope 3 category 3 activity C, not Scope 2)United States · 2023 data0.351632 kg CO₂e per kWhAR5 · Scope 2CO₂ 0.349947 · CH₄ 0.000026 · N₂O 0.000004US EPA Emission Factors Hub 2025Table 6 (771.5 lb CO2/MWh)
AircraftFreightDistance-based (short ton-mile)United States · 20251.0949 kg CO₂e per short ton-mileAR5 · Scope 3.4/3.9CO₂ 1.086 · CH₄ 0 · N₂O 0.000033US EPA Emission Factors Hub 2025Table 8
AircraftFreightDistance-based (tonne-km, converted)Converted from per short ton-mileUnited States · 20250.749912 kg CO₂e per tonne-kmAR5 · Scope 3.4/3.9CO₂ 0.74385 · CH₄ 0 · N₂O 0.000023US EPA Emission Factors Hub 2025Table 8 ÷ 1.45997
Light-duty truckFreightDistance-based (vehicle-mile)United States · 20250.396637 kg CO₂e per vehicle-mileAR5 · Scope 3.4/3.9CO₂ 0.394 · CH₄ 0.000011 · N₂O 0.000009US EPA Emission Factors Hub 2025Table 8
Light-duty truckFreightDistance-based (vehicle-km, converted)Converted from per vehicle-mileUnited States · 20250.246459 kg CO₂e per vehicle-kmAR5 · Scope 3.4/3.9CO₂ 0.24482 · CH₄ 0.000007 · N₂O 0.000005US EPA Emission Factors Hub 2025Table 8 ÷ 1.60934
Medium- and heavy-duty truckFreightDistance-based (vehicle-mile)United States · 20251.3083 kg CO₂e per vehicle-mileAR5 · Scope 3.4/3.9CO₂ 1.298 · CH₄ 0.000012 · N₂O 0.000038US EPA Emission Factors Hub 2025Table 8
Medium- and heavy-duty truckFreightDistance-based (vehicle-km, converted)Converted from per vehicle-mileUnited States · 20250.812931 kg CO₂e per vehicle-kmAR5 · Scope 3.4/3.9CO₂ 0.80654 · CH₄ 0.000007 · N₂O 0.000023US EPA Emission Factors Hub 2025Table 8 ÷ 1.60934
Medium- and heavy-duty truckFreightDistance-based (short ton-mile)United States · 20250.187476 kg CO₂e per short ton-mileAR5 · Scope 3.4/3.9CO₂ 0.186 · CH₄ 0.000002 · N₂O 0.000005US EPA Emission Factors Hub 2025Table 8
Medium- and heavy-duty truckFreightDistance-based (tonne-km, converted)Converted from per short ton-mileUnited States · 20250.128411 kg CO₂e per tonne-kmAR5 · Scope 3.4/3.9CO₂ 0.1274 · CH₄ 0.000001 · N₂O 0.000004US EPA Emission Factors Hub 2025Table 8 ÷ 1.45997
Passenger carFreightDistance-based (vehicle-mile)United States · 20250.29857 kg CO₂e per vehicle-mileAR5 · Scope 3.4/3.9CO₂ 0.297 · CH₄ 0.000006 · N₂O 0.000005US EPA Emission Factors Hub 2025Table 8
Passenger carFreightDistance-based (vehicle-km, converted)Converted from per vehicle-mileUnited States · 20250.185523 kg CO₂e per vehicle-kmAR5 · Scope 3.4/3.9CO₂ 0.184547 · CH₄ 0.000004 · N₂O 0.000003US EPA Emission Factors Hub 2025Table 8 ÷ 1.60934
RailFreightDistance-based (short ton-mile)United States · 20250.021177 kg CO₂e per short ton-mileAR5 · Scope 3.4/3.9CO₂ 0.021 · CH₄ 0.000002 · N₂O 0.000001US EPA Emission Factors Hub 2025Table 8
RailFreightDistance-based (tonne-km, converted)Converted from per short ton-mileUnited States · 20250.014505 kg CO₂e per tonne-kmAR5 · Scope 3.4/3.9CO₂ 0.014384 · CH₄ 0.000001 · N₂O 0US EPA Emission Factors Hub 2025Table 8 ÷ 1.45997
Waterborne craftFreightDistance-based (short ton-mile)United States · 20250.078398 kg CO₂e per short ton-mileAR5 · Scope 3.4/3.9CO₂ 0.077 · CH₄ 0.000031 · N₂O 0.000002US EPA Emission Factors Hub 2025Table 8
Waterborne craftFreightDistance-based (tonne-km, converted)Converted from per short ton-mileUnited States · 20250.053698 kg CO₂e per tonne-kmAR5 · Scope 3.4/3.9CO₂ 0.052741 · CH₄ 0.000021 · N₂O 0.000001US EPA Emission Factors Hub 2025Table 8 ÷ 1.45997
AnthraciteFuelsStationary combustion · Coal and cokeUnited States · 20252,620.3 kg CO₂e per short tonAR5 · Scope 1CO₂ 2,602 · CH₄ 0.276 · N₂O 0.04US EPA Emission Factors Hub 2025Table 1 (heat content 25.09 mmBtu/short ton)
AnthraciteFuelsStationary combustion · Coal and coke · per energy (HHV)United States · 2025104.422 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 103.69 · CH₄ 0.011 · N₂O 0.0016US EPA Emission Factors Hub 2025Table 1
Asphalt and road oilFuelsStationary combustion · Petroleum productsUnited States · 202511.947 kg CO₂e per gallonAR5 · Scope 1CO₂ 11.91 · CH₄ 0.00047 · N₂O 0.00009US EPA Emission Factors Hub 2025Table 1 (heat content 0.158 mmBtu/gallon)
Asphalt and road oilFuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202575.603 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 75.36 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
Aviation gasolineFuelsStationary combustion · Petroleum productsUnited States · 20258.3386 kg CO₂e per gallonAR5 · Scope 1CO₂ 8.31 · CH₄ 0.00036 · N₂O 0.00007US EPA Emission Factors Hub 2025Table 1 (heat content 0.12 mmBtu/gallon)
Aviation gasolineFuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202569.493 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 69.25 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
Bituminous coalFuelsStationary combustion · Coal and cokeUnited States · 20252,343.3 kg CO₂e per short tonAR5 · Scope 1CO₂ 2,325 · CH₄ 0.274 · N₂O 0.04US EPA Emission Factors Hub 2025Table 1 (heat content 24.93 mmBtu/short ton)
Bituminous coalFuelsStationary combustion · Coal and coke · per energy (HHV)United States · 202594.012 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 93.28 · CH₄ 0.011 · N₂O 0.0016US EPA Emission Factors Hub 2025Table 1
Blast furnace gasFuelsStationary combustion · Other gaseous fuelsUnited States · 20250.025242 kg CO₂e per scfAR5 · Scope 1CO₂ 0.02524 · CH₄ 0 · N₂O 0US EPA Emission Factors Hub 2025Table 1 (heat content 9.2e-05 mmBtu/scf)
Blast furnace gasFuelsStationary combustion · Other gaseous fuels · per energy (HHV)United States · 2025274.3471 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 274.32 · CH₄ 0.000022 · N₂O 0.0001US EPA Emission Factors Hub 2025Table 1
ButaneFuelsStationary combustion · Petroleum productsUnited States · 20256.6946 kg CO₂e per gallonAR5 · Scope 1CO₂ 6.67 · CH₄ 0.00031 · N₂O 0.00006US EPA Emission Factors Hub 2025Table 1 (heat content 0.103 mmBtu/gallon)
ButaneFuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202565.013 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 64.77 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
ButyleneFuelsStationary combustion · Petroleum productsUnited States · 20257.2449 kg CO₂e per gallonAR5 · Scope 1CO₂ 7.22 · CH₄ 0.00032 · N₂O 0.00006US EPA Emission Factors Hub 2025Table 1 (heat content 0.105 mmBtu/gallon)
ButyleneFuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202568.963 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 68.72 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
Coal cokeFuelsStationary combustion · Coal and cokeUnited States · 20252,837.2 kg CO₂e per short tonAR5 · Scope 1CO₂ 2,819 · CH₄ 0.273 · N₂O 0.04US EPA Emission Factors Hub 2025Table 1 (heat content 24.8 mmBtu/short ton)
Coal cokeFuelsStationary combustion · Coal and coke · per energy (HHV)United States · 2025114.402 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 113.67 · CH₄ 0.011 · N₂O 0.0016US EPA Emission Factors Hub 2025Table 1
Coke oven gasFuelsStationary combustion · Other gaseous fuelsUnited States · 20250.028084 kg CO₂e per scfAR5 · Scope 1CO₂ 0.02806 · CH₄ 0 · N₂O 0US EPA Emission Factors Hub 2025Table 1 (heat content 0.000599 mmBtu/scf)
Coke oven gasFuelsStationary combustion · Other gaseous fuels · per energy (HHV)United States · 202546.8899 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 46.85 · CH₄ 0.00048 · N₂O 0.0001US EPA Emission Factors Hub 2025Table 1
Crude oilFuelsStationary combustion · Petroleum productsUnited States · 202510.3227 kg CO₂e per gallonAR5 · Scope 1CO₂ 10.29 · CH₄ 0.00041 · N₂O 0.00008US EPA Emission Factors Hub 2025Table 1 (heat content 0.138 mmBtu/gallon)
Crude oilFuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202574.783 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 74.54 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
Distillate fuel oil No. 1FuelsStationary combustion · Petroleum productsUnited States · 202510.213 kg CO₂e per gallonAR5 · Scope 1CO₂ 10.18 · CH₄ 0.00042 · N₂O 0.00008US EPA Emission Factors Hub 2025Table 1 (heat content 0.139 mmBtu/gallon)
Distillate fuel oil No. 1FuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202573.493 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 73.25 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
Distillate fuel oil No. 2 (diesel)FuelsStationary combustion · Petroleum productsUnited States · 202510.2427 kg CO₂e per gallonAR5 · Scope 1CO₂ 10.21 · CH₄ 0.00041 · N₂O 0.00008US EPA Emission Factors Hub 2025Table 1 (heat content 0.138 mmBtu/gallon)
Distillate fuel oil No. 2 (diesel)FuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202574.203 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 73.96 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
Distillate fuel oil No. 4FuelsStationary combustion · Petroleum productsUnited States · 202510.9962 kg CO₂e per gallonAR5 · Scope 1CO₂ 10.96 · CH₄ 0.00044 · N₂O 0.00009US EPA Emission Factors Hub 2025Table 1 (heat content 0.146 mmBtu/gallon)
Distillate fuel oil No. 4FuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202575.283 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 75.04 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
EthaneFuelsStationary combustion · Petroleum productsUnited States · 20254.0662 kg CO₂e per gallonAR5 · Scope 1CO₂ 4.05 · CH₄ 0.0002 · N₂O 0.00004US EPA Emission Factors Hub 2025Table 1 (heat content 0.068 mmBtu/gallon)
EthaneFuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202559.843 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 59.6 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
EthyleneFuelsStationary combustion · Petroleum productsUnited States · 20253.8427 kg CO₂e per gallonAR5 · Scope 1CO₂ 3.83 · CH₄ 0.00017 · N₂O 0.00003US EPA Emission Factors Hub 2025Table 1 (heat content 0.058 mmBtu/gallon)
EthyleneFuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202566.203 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 65.96 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
Fuel gasFuelsStationary combustion · Other gaseous fuelsUnited States · 20250.082227 kg CO₂e per scfAR5 · Scope 1CO₂ 0.08189 · CH₄ 0.000004 · N₂O 0.000001US EPA Emission Factors Hub 2025Table 1 (heat content 0.001388 mmBtu/scf)
Fuel gasFuelsStationary combustion · Other gaseous fuels · per energy (HHV)United States · 202559.243 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 59 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1
Heavy gas oilsFuelsStationary combustion · Petroleum productsUnited States · 202511.1262 kg CO₂e per gallonAR5 · Scope 1CO₂ 11.09 · CH₄ 0.00044 · N₂O 0.00009US EPA Emission Factors Hub 2025Table 1 (heat content 0.148 mmBtu/gallon)
Heavy gas oilsFuelsStationary combustion · Petroleum products · per energy (HHV)United States · 202575.163 kg CO₂e per mmBtuAR5 · Scope 1CO₂ 74.92 · CH₄ 0.003 · N₂O 0.0006US EPA Emission Factors Hub 2025Table 1

The sources in the library

Each source is loaded from the publisher's own files, with its edition and licence recorded. ESGTrack watches each publisher's page for a new edition.

SourcePublisherEditionFactorsBasisLicence
CO2 Baseline Database for the Indian Power SectorCentral Electricity Authority, Government of India · publisher page22.0 · 2026-08-01123CO2 onlyGovernment of India publication — free to use with attribution
GHG Emission Factors HubU.S. Environmental Protection Agency · publisher page2025 · 2025-01-15438AR5 (waste: AR4)U.S. Government work — public domain
2006 IPCC Guidelines for National Greenhouse Gas Inventories, Volume 2: EnergyIntergovernmental Panel on Climate Change · publisher page2006 (default factors) · 2006-04-01386AR5 and AR6 variantsIPCC — reproduced with attribution for inventory use
CO2 Baseline Database v22.0 — power-station dataCentral Electricity Authority, Government of India · publisher page22.0 · 2026-08-011,262CO2 onlyGovernment of India publication — free to use with attribution
Supply Chain Greenhouse Gas Emission Factors v1.3 (NAICS-6, spend-based)U.S. Environmental Protection Agency · publisher page1.3.0 · 2024-07-10985AR5U.S. Government work — public domain
Carbon intensity of electricity generation, by countryOur World in Data (Ember, Energy Institute) · publisher page2026 release · 2026-01-012,191Lifecycle (Ember)CC BY 4.0 — Our World in Data, based on Ember and the Energy Institute
2006 IPCC Guidelines and 2019 Refinement — industrial processes, waste and agriculture defaultsIntergovernmental Panel on Climate Change · publisher page2006 / 2019 (Tier 1 defaults) · 2019-05-014,892AR5 and AR6 variantsIPCC — reproduced with attribution; machine-readable values from bonsai-ipcc (MIT)

Not shown here: India Specific Road Transport Emission Factors (India GHG Program (WRI India, CII, TERI)), its publisher asks that its terms be checked before the values are republished. It is available inside the product.

How to read a factor

A factor only means something with its basis: the unit (per litre, per kilogram, per GJ on a net calorific value basis, per kWh), the gases it covers, the global warming potentials used to combine them, the region and the year. Two factors for "diesel" can legitimately differ by a few per cent because of the calorific value or density assumed. Record which one you used, and keep its reference.

For grid electricity in India, prefer the CEA's weighted average for the activity year if it is published before you report; otherwise the latest available, and say which. The Our World in Data figures are lifecycle intensities, useful for countries without a national factor but not a like-for-like substitute for one.

What this tool does not do

  • It shows bundled public sources only — not factors imported on an installation, not a company's private library, and not supplier-specific factors.
  • It does not choose a factor for you, convert units, or apply your fuel's measured calorific value — the product does those, with the decision recorded.
  • Publishers update their editions; the edition shown here is the one bundled, with its date.

Questions about the factor finder

Which sources are included?

The public sources bundled with ESGTrack: the IPCC 2006 Guidelines and the 2019 Refinement, the Central Electricity Authority's CO2 Baseline Database version 22.0 — both the grid averages and the power-station rates — the US EPA's GHG Emission Factors Hub (2025) and Supply Chain GHG Emission Factors v1.3, and Our World in Data's grid intensities for 212 countries. The India GHG Program's road transport factors are in the product but not shown here, because the programme asks that its terms are checked before its values are republished.

What do the columns mean?

CO₂, CH₄ and N₂O are kilograms of each gas per unit of activity; CO₂e combines them with the global warming potentials named in the GWP column (AR4, AR5, AR6, or "CO₂ only" where the publisher gives only carbon dioxide). The scope column is a hint about where the factor usually belongs; the reference is the publisher's table, so you can check the value at source.

Can I use these factors in my inventory?

They are published values, reproduced with their sources. Whether one fits your activity — the fuel, its calorific value, the year, the country, the basis — is a methodological decision for your inventory, which should record the factor used and why.

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Factors chosen by date, with the decision recorded

ESGTrack applies the factor in force for each month, keeps your own site and company factors first, converts units, and logs every change with its source.

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