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
- Searches are not stored
4,892 factors · IPCC 2006 Guidelines and 2019 Refinement
| Activity | Detail | Region · year | Factor | Gases | Source · reference |
|---|---|---|---|---|---|
| Primary aluminium productionIndustrial processes — metal | activity: prebake swpb · CF4 per tonneIPCC range 0.96–4.0 kg/t; CF4 1.6 kg per tonne | IPCC default · 2006 | 11,808 kg CO₂e per tonneAR6 · Scope 1 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.51 Eq 4.25 | |
| Primary aluminium productionIndustrial processes — metal | activity: soderberg vss · CF4 per tonneIPCC range 0.24–2.88 kg/t; CF4 0.8 kg per tonne | IPCC default · 2006 | 5,304 kg CO₂e per tonneAR5 · Scope 1 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.51 Eq 4.25 | |
| Primary aluminium productionIndustrial processes — metal | activity: soderberg vss · CF4 per tonneIPCC range 0.24–2.88 kg/t; CF4 0.8 kg per tonne | IPCC default · 2006 | 5,904 kg CO₂e per tonneAR6 · Scope 1 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.51 Eq 4.25 | |
| Primary aluminium productionIndustrial processes — metal | activity: soderberg hss · CF4 per tonneIPCC range 0.08–1.12 kg/t; CF4 0.4 kg per tonne | IPCC default · 2006 | 2,652 kg CO₂e per tonneAR5 · Scope 1 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.51 Eq 4.25 | |
| Primary aluminium productionIndustrial processes — metal | activity: soderberg hss · CF4 per tonneIPCC range 0.08–1.12 kg/t; CF4 0.4 kg per tonne | IPCC default · 2006 | 2,952 kg CO₂e per tonneAR6 · Scope 1 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.51 Eq 4.25 | |
| Primary aluminium productionIndustrial processes — metal | activity: prebake · CO2 per tonneIPCC range 1.440–1.760 t/t | IPCC default · 2006 | 1,600 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 1,600 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.45 Eq 4.20 |
| Primary aluminium productionIndustrial processes — metal | activity: soderberg · CO2 per tonneIPCC range 1.530–1.870 t/t | IPCC default · 2006 | 1,700 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 1,700 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.45 Eq 4.20 |
| Reducing agents (ferroalloy production)Industrial processes — metal | agent type: coal · CO2 per tonneIPCC range 2.790–3.410 t/t | IPCC default · 2019 | 3,100 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 3,100 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.33 Eq 4.16 |
| Reducing agents (ferroalloy production)Industrial processes — metal | agent type: coke · CO2 per tonneIPCC range 2.970–3.630 t/t | IPCC default · 2019 | 3,300 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 3,300 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.33 Eq 4.16 |
| Reducing agents (ferroalloy production)Industrial processes — metal | agent type: prebaked electrodes · CO2 per tonneIPCC range 3.186–3.894 t/t | IPCC default · 2019 | 3,540 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 3,540 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.33 Eq 4.16 |
| Reducing agents (ferroalloy production)Industrial processes — metal | agent type: electrode paste · CO2 per tonneIPCC range 3.060–3.740 t/t | IPCC default · 2019 | 3,400 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 3,400 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.33 Eq 4.16 |
| Reducing agents (ferroalloy production)Industrial processes — metal | agent type: petroleum coke · CO2 per tonneIPCC range 3.150–3.850 t/t | IPCC default · 2019 | 3,500 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 3,500 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.33 Eq 4.16 |
| Sinter productionIndustrial processes — metal | CH4 per tonneIPCC range 0.0–0.35 kg/t | IPCC default · 2019 | 1.96 kg CO₂e per tonneAR5 · Scope 1 | · CH₄ 0.07 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2019 Refinement Vol 3 Ch 4 p.4.26 Eq 4.12 |
| Sinter productionIndustrial processes — metal | CH4 per tonneIPCC range 0.0–0.35 kg/t | IPCC default · 2019 | 2.086 kg CO₂e per tonneAR6 · Scope 1 | · CH₄ 0.07 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2019 Refinement Vol 3 Ch 4 p.4.26 Eq 4.12 |
| Sinter productionIndustrial processes — metal | CO2 per tonneIPCC range 0.189–0.231 t/t | IPCC default · 2019 | 210 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 210 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2019 Refinement Vol 3 Ch 4 p.4.23 Eq 4.7 |
| Steel productionIndustrial processes — metal | activity: bof · CO2 per tonneIPCC range 1.422–1.738 t/t | IPCC default · 2019 | 1,580 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 1,580 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2019 Refinement Vol 3 Ch 4 p.4.23 Eq 4.4 |
| Steel productionIndustrial processes — metal | activity: eaf · CO2 per tonneIPCC range 0.162–0.198 t/t | IPCC default · 2019 | 180 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 180 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2019 Refinement Vol 3 Ch 4 p.4.23 Eq 4.4 |
| Steel productionIndustrial processes — metal | activity: ohf · CO2 per tonneIPCC range 1.548–1.892 t/t | IPCC default · 2019 | 1,720 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 1,720 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2019 Refinement Vol 3 Ch 4 p.4.23 Eq 4.4 |
| Zinc productionIndustrial processes — metal | activity: waelz kiln · CO2 per tonneIPCC range 1.830–5.490 t/t | IPCC default · 2006 | 3,660 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 3,660 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.79 Eq 4.33 |
| Zinc productionIndustrial processes — metal | activity: pyrometeallurgical · CO2 per tonneIPCC range 0.215–0.645 t/t | IPCC default · 2006 | 430 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 430 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.79 Eq 4.33 |
| Zinc productionIndustrial processes — metal | activity: zinc default · CO2 per tonneIPCC range 0.860–2.580 t/t | IPCC default · 2006 | 1,720 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 1,720 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 4 p.4.79 Eq 4.33 |
| Carbon-bearing non-fuel raw materials (kerogen)Industrial processes — mineral | product: portland · other material type: undefined · CO2 per tonneIPCC range 0.0–0.0 t/t | IPCC default · 2006 | 0 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 0 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Carbon-bearing non-fuel raw materials (kerogen)Industrial processes — mineral | product: masonry · other material type: undefined · CO2 per tonneIPCC range 0.0–0.0 t/t | IPCC default · 2006 | 0 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 0 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Carbon-bearing non-fuel raw materials (kerogen)Industrial processes — mineral | product: slagmod-portland · other material type: undefined · CO2 per tonneIPCC range 0.0–0.0 t/t | IPCC default · 2006 | 0 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 0 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Carbon-bearing non-fuel raw materials (kerogen)Industrial processes — mineral | product: portland-bf-slag · other material type: undefined · CO2 per tonneIPCC range 0.0–0.0 t/t | IPCC default · 2006 | 0 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 0 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Carbon-bearing non-fuel raw materials (kerogen)Industrial processes — mineral | product: portland-pozzolan · other material type: undefined · CO2 per tonneIPCC range 0.0–0.0 t/t | IPCC default · 2006 | 0 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 0 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Carbon-bearing non-fuel raw materials (kerogen)Industrial processes — mineral | product: pozzolan-mod · other material type: undefined · CO2 per tonneIPCC range 0.0–0.0 t/t | IPCC default · 2006 | 0 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 0 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Carbon-bearing non-fuel raw materials (kerogen)Industrial processes — mineral | product: slag-cement · other material type: undefined · CO2 per tonneIPCC range 0.0–0.0 t/t | IPCC default · 2006 | 0 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 0 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Carbonate use (calcination)Industrial processes — mineral | carbonate type: calcite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.12 |
| Carbonate use (calcination)Industrial processes — mineral | carbonate type: magnesite · CO2 per tonneIPCC range 0.261–0.783 t/t | IPCC default · 2006 | 521.97 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 521.97 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.12 |
| Carbonate use (calcination)Industrial processes — mineral | carbonate type: dolomite · CO2 per tonneIPCC range 0.239–0.716 t/t | IPCC default · 2006 | 477.32 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 477.32 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.12 |
| Carbonate use (calcination)Industrial processes — mineral | carbonate type: siderite · CO2 per tonneIPCC range 0.190–0.570 t/t | IPCC default · 2006 | 379.87 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 379.87 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.12 |
| Carbonate use (calcination)Industrial processes — mineral | carbonate type: ankerite · CO2 per tonneIPCC range 0.215–0.645 t/t | IPCC default · 2006 | 430 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 430 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.12 |
| Carbonate use (calcination)Industrial processes — mineral | carbonate type: rhodochrosite · CO2 per tonneIPCC range 0.191–0.574 t/t | IPCC default · 2006 | 382.86 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 382.86 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.12 |
| Carbonate use (calcination)Industrial processes — mineral | carbonate type: sodium carbonate · CO2 per tonneIPCC range 0.207–0.622 t/t | IPCC default · 2006 | 414.92 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 414.92 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.12 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: portland · carbonate type: calcite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: portland · carbonate type: magnesite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: portland · carbonate type: dolomite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: portland · carbonate type: siderite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: portland · carbonate type: ankerite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: portland · carbonate type: rhodochrosite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: portland · carbonate type: sodium-carbonate · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: masonry · carbonate type: calcite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: masonry · carbonate type: magnesite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: masonry · carbonate type: dolomite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: masonry · carbonate type: siderite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: masonry · carbonate type: ankerite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: masonry · carbonate type: rhodochrosite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: masonry · carbonate type: sodium-carbonate · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
| Cement kiln dust (uncalcined carbonate)Industrial processes — mineral | product: slagmod-portland · carbonate type: calcite · CO2 per tonneIPCC range 0.220–0.660 t/t | IPCC default · 2006 | 439.71 kg CO₂e per tonneCO2 only · Scope 1 | CO₂ 439.71 | IPCC 2006 Guidelines and 2019 RefinementIPCC 2006 Vol 3 Ch 2 p.2.11 Eq 2.3 |
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.
| Source | Publisher | Edition | Factors | Basis | Licence |
|---|---|---|---|---|---|
| CO2 Baseline Database for the Indian Power Sector | Central Electricity Authority, Government of India · publisher page | 22.0 · 2026-08-01 | 123 | CO2 only | Government of India publication — free to use with attribution |
| GHG Emission Factors Hub | U.S. Environmental Protection Agency · publisher page | 2025 · 2025-01-15 | 438 | AR5 (waste: AR4) | U.S. Government work — public domain |
| 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Volume 2: Energy | Intergovernmental Panel on Climate Change · publisher page | 2006 (default factors) · 2006-04-01 | 386 | AR5 and AR6 variants | IPCC — reproduced with attribution for inventory use |
| CO2 Baseline Database v22.0 — power-station data | Central Electricity Authority, Government of India · publisher page | 22.0 · 2026-08-01 | 1,262 | CO2 only | Government 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 page | 1.3.0 · 2024-07-10 | 985 | AR5 | U.S. Government work — public domain |
| Carbon intensity of electricity generation, by country | Our World in Data (Ember, Energy Institute) · publisher page | 2026 release · 2026-01-01 | 2,191 | Lifecycle (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 defaults | Intergovernmental Panel on Climate Change · publisher page | 2006 / 2019 (Tier 1 defaults) · 2019-05-01 | 4,892 | AR5 and AR6 variants | IPCC — 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.