Emission factor explorer

Every factor the calculator can apply, filterable by category, country and reporting year. Rows highlighted in green are the ones currently applied to your submission — use this to audit what drove each number in your report.

Fallback dataset: DEFRA/DESNZ 2026

This calculation uses the bundled fallback dataset: DEFRA/DESNZ 2026 GHG Conversion Factors (well-to-wheel), applied to all reporting years. Licensed datasets (IEA, EPA and other national agencies) are not included.

Filter
28 factors
CategoryItemCountryValueUnitYearSource
transportWalkingGLOBAL0.00000kgCO2e/km2026DEFRA/DESNZ 2026
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transportBikeGLOBAL0.00000kgCO2e/km2026DEFRA/DESNZ 2026
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transportElectric BikeGLOBAL0.00720kgCO2e/km2026DEFRA/DESNZ 2026
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transportScooterGLOBAL0.00000kgCO2e/km2026DEFRA/DESNZ 2026
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transportElectric ScooterGLOBAL0.02643kgCO2e/km2026DEFRA/DESNZ 2026
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transportMotorcycleGLOBAL0.14604kgCO2e/km2026DEFRA/DESNZ 2026
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transportPetrol CarGLOBAL0.20751kgCO2e/km2026DEFRA/DESNZ 2026
In use
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transportDiesel CarGLOBAL0.21770kgCO2e/km2026DEFRA/DESNZ 2026
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transportHybrid CarGLOBAL0.16651kgCO2e/km2026DEFRA/DESNZ 2026
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transportPlug-in HybridGLOBAL0.11510kgCO2e/km2026DEFRA/DESNZ 2026
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transportBattery Electric VehicleGLOBAL0.03515kgCO2e/km2026DEFRA/DESNZ 2026
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transportTaxiGLOBAL0.26730kgCO2e/km2026DEFRA/DESNZ 2026
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transportBusGLOBAL0.12800kgCO2e/km2026DEFRA/DESNZ 2026
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transportCoachGLOBAL0.04978kgCO2e/km2026DEFRA/DESNZ 2026
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transportMetroGLOBAL0.02027kgCO2e/km2026DEFRA/DESNZ 2026
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transportTramGLOBAL0.02775kgCO2e/km2026DEFRA/DESNZ 2026
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transportTrainGLOBAL0.03989kgCO2e/km2026DEFRA/DESNZ 2026
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transportHigh-speed TrainGLOBAL0.01485kgCO2e/km2026DEFRA/DESNZ 2026
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transportFerryGLOBAL0.14036kgCO2e/km2026DEFRA/DESNZ 2026
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transportOtherGLOBAL0.12610kgCO2e/km2026DEFRA/DESNZ 2026
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electricityGrid electricity (UK fallback)GLOBAL0.17137kgCO2e/kWh2026DEFRA/DESNZ 2026
In use
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heatingNatural GasGLOBAL0.21661kgCO2e/kWh2026DEFRA/DESNZ 2026
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heatingHeating OilGLOBAL0.29612kgCO2e/kWh2026DEFRA/DESNZ 2026
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heatingElectric HeatingGLOBAL0.00000kgCO2e/kWh2026DEFRA/DESNZ 2026
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heatingHeat PumpGLOBAL0.00000kgCO2e/kWh2026DEFRA/DESNZ 2026
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heatingDistrict HeatingGLOBAL0.20334kgCO2e/kWh2026DEFRA/DESNZ 2026
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heatingBiomassGLOBAL0.02693kgCO2e/kWh2026DEFRA/DESNZ 2026
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heatingOtherGLOBAL0.24000kgCO2e/kWh2026DEFRA/DESNZ 2026
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