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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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4,892 factors · IPCC 2006 Guidelines and 2019 Refinement

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ActivityDetailRegion · yearFactorGasesSource · reference
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr b · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr b · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr w nh3 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr w nh3 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c1 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c1 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c1 · feedstocktype: natural gas co2 · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c1 · feedstocktype: natural gas co2 · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c2 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c2 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c3 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c3 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c4 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c4 · feedstocktype: natural gas · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: anthracite · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: anthracite · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: lignite · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: lignite · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: oil · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200664.4 kg CO₂e per tonneAR5 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: oil · CH4 per tonneIPCC range 0.00161–0.00299 t/tIPCC default · 200668.54 kg CO₂e per tonneAR6 · Scope 1 · CH₄ 2.3IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.76 Eq 3.16
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr a · feedstocktype: natural gas · CO2 per tonneIPCC range 0.469–0.871 t/tIPCC default · 2006670 kg CO₂e per tonneCO2 only · Scope 1CO₂ 670IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr b · feedstocktype: natural gas · CO2 per tonneIPCC range 0.348–0.646 t/tIPCC default · 2006497 kg CO₂e per tonneCO2 only · Scope 1CO₂ 497IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr w nh3 · feedstocktype: natural gas · CO2 per tonneIPCC range 0.714–1.326 t/tIPCC default · 20061,020 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,020IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c1 · feedstocktype: natural gas · CO2 per tonneIPCC range 0.2695–0.5005 t/tIPCC default · 2006385 kg CO₂e per tonneCO2 only · Scope 1CO₂ 385IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c1 natural gas · feedstocktype: co2 · CO2 per tonneIPCC range 0.1869–0.3471 t/tIPCC default · 2006267 kg CO₂e per tonneCO2 only · Scope 1CO₂ 267IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c2 · feedstocktype: natural gas · CO2 per tonneIPCC range 0.1869–0.3471 t/tIPCC default · 2006267 kg CO₂e per tonneCO2 only · Scope 1CO₂ 267IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c3 · feedstocktype: natural gas · CO2 per tonneIPCC range 0.2772–0.5148 t/tIPCC default · 2006396 kg CO₂e per tonneCO2 only · Scope 1CO₂ 396IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: csr c4 · feedstocktype: natural gas · CO2 per tonneIPCC range 0.217–0.403 t/tIPCC default · 2006310 kg CO₂e per tonneCO2 only · Scope 1CO₂ 310IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: anthracite · CO2 per tonneIPCC range 3.6995–6.8705 t/tIPCC default · 20065,285 kg CO₂e per tonneCO2 only · Scope 1CO₂ 5,285IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: lignite · CO2 per tonneIPCC range 3.514–6.526 t/tIPCC default · 20065,020 kg CO₂e per tonneCO2 only · Scope 1CO₂ 5,020IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: methanol · activity: pox · feedstocktype: oil · CO2 per tonneIPCC range 0.96–1.79 t/tIPCC default · 20061,376 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,376IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc · feedstocktype: butane · CO2 per tonneIPCC range 1.07–1.07 t/tIPCC default · 20061,070 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,070IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc · feedstocktype: ethane · CO2 per tonneIPCC range 0.95–0.95 t/tIPCC default · 2006950 kg CO₂e per tonneCO2 only · Scope 1CO₂ 950IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc · feedstocktype: gas oil · CO2 per tonneIPCC range 2.29–2.29 t/tIPCC default · 20062,290 kg CO₂e per tonneCO2 only · Scope 1CO₂ 2,290IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc · feedstocktype: naphtha · CO2 per tonneIPCC range 1.73–1.73 t/tIPCC default · 20061,730 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,730IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc · feedstocktype: heavy oil · CO2 per tonneIPCC range 1.73–1.73 t/tIPCC default · 20061,730 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,730IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc · feedstocktype: propane · CO2 per tonneIPCC range 1.04–1.04 t/tIPCC default · 20061,040 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,040IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc pfu · feedstocktype: butane · CO2 per tonneIPCC range 1.07–1.07 t/tIPCC default · 20061,070 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,070IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc pfu · feedstocktype: ethane · CO2 per tonneIPCC range 0.76–0.76 t/tIPCC default · 2006760 kg CO₂e per tonneCO2 only · Scope 1CO₂ 760IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc pfu · feedstocktype: gas oil · CO2 per tonneIPCC range 2.17–2.17 t/tIPCC default · 20062,170 kg CO₂e per tonneCO2 only · Scope 1CO₂ 2,170IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc pfu · feedstocktype: naphtha · CO2 per tonneIPCC range 1.73–1.73 t/tIPCC default · 20061,730 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,730IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc pfu · feedstocktype: heavy oil · CO2 per tonneIPCC range 1.73–1.73 t/tIPCC default · 20061,730 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,730IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc pfu · feedstocktype: propane · CO2 per tonneIPCC range 1.04–1.04 t/tIPCC default · 20061,040 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1,040IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc sfu · feedstocktype: butane · CO2 per tonneIPCC range 0–0 t/tIPCC default · 20060 kg CO₂e per tonneCO2 only · Scope 1CO₂ 0IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc sfu · feedstocktype: ethane · CO2 per tonneIPCC range 0.19–0.19 t/tIPCC default · 2006190 kg CO₂e per tonneCO2 only · Scope 1CO₂ 190IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc sfu · feedstocktype: gas oil · CO2 per tonneIPCC range 0.12–0.12 t/tIPCC default · 2006120 kg CO₂e per tonneCO2 only · Scope 1CO₂ 120IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc sfu · feedstocktype: naphtha · CO2 per tonneIPCC range 0–0 t/tIPCC default · 20060 kg CO₂e per tonneCO2 only · Scope 1CO₂ 0IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc sfu · feedstocktype: heavy oil · CO2 per tonneIPCC range 0–0 t/tIPCC default · 20060 kg CO₂e per tonneCO2 only · Scope 1CO₂ 0IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene · activity: sc sfu · feedstocktype: propane · CO2 per tonneIPCC range 0–0 t/tIPCC default · 20060 kg CO₂e per tonneCO2 only · Scope 1CO₂ 0IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15
Petrochemical productionIndustrial processes — chemicalproduct: ethylene oxide · activity: no thermt · feedstocktype: ethylene · CO2 per tonneIPCC range 0.716–2.864 kg/tIPCC default · 20061.79 kg CO₂e per tonneCO2 only · Scope 1CO₂ 1.79IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 3 p.3.65 Eq 3.15

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.

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.