Emission factor library
Only reviewed factors are listed. 8,159 verified, 0 imported and awaiting review. How we review factors
| Activity | Scope | Gas | Value | Unit | Boundary | Year | Status |
|---|---|---|---|---|---|---|---|
Class III (1.74 to 3.5 tonnes) — Petrol WTT- delivery vehs & freight › WTT- vans | Scope 3 | Total CO₂e | 0.09783 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Class III (1.74 to 3.5 tonnes) — Petrol WTT- delivery vehs & freight › WTT- vans | Scope 3 | Total CO₂e | 0.15745 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Class III (1.74 to 3.5 tonnes) — Petrol WTT- delivery vehs & freight › WTT- vans | Scope 3 | Total CO₂e | 0.24164 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Class III (1.74 to 3.5 tonnes) — Plug-in Hybrid Electric Vehicle WTT- delivery vehs & freight › WTT- vans | Scope 3 | Total CO₂e | 0.03758 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Class III (1.74 to 3.5 tonnes) — Plug-in Hybrid Electric Vehicle WTT- delivery vehs & freight › WTT- vans | Scope 3 | Total CO₂e | 0.06047 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Class III (1.74 to 3.5 tonnes) — Plug-in Hybrid Electric Vehicle WTT- delivery vehs & freight › WTT- vans | Scope 3 | Total CO₂e | 0.09458 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Container ship — 0–999 TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00833 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Container ship — 1000–1999 TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00737 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Container ship — 2000–2999 TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00459 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Container ship — 3000–4999 TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00381 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Container ship — 5000–7999 TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00381 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Container ship — 8000+ TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00287 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Container ship — Average WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00365 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Crude tanker — 0–9999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00764 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Crude tanker — 10,000–59,999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00209 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Crude tanker — 120,000–199,999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00101 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Crude tanker — 200,000+ dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00067 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Crude tanker — 60,000–79,999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00172 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Crude tanker — 80,000–119,999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00135 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Crude tanker — Average WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00104 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Domestic, to/from UK — With RF WTT- delivery vehs & freight › WTT- freight flights | Scope 3 | Total CO₂e | 0.57429 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Domestic, to/from UK — Without RF WTT- delivery vehs & freight › WTT- freight flights | Scope 3 | Total CO₂e | 0.57429 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Freight train WTT- delivery vehs & freight › WTT- rail | Scope 3 | Total CO₂e | 0.00691 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
General cargo — 0–4999 dwt WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00319 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
General cargo — 0–4999 dwt 100+ TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00455 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
General cargo — 10,000+ dwt WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00273 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
General cargo — 10,000+ dwt 100+ TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00253 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
General cargo — 5000–9999 dwt WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00363 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
General cargo — 5000–9999 dwt 100+ TEU WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00402 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
General cargo — Average WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.003 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
International, to/from non-UK — With RF WTT- delivery vehs & freight › WTT- freight flights | Scope 3 | Total CO₂e | 0.13516 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
International, to/from non-UK — Without RF WTT- delivery vehs & freight › WTT- freight flights | Scope 3 | Total CO₂e | 0.13516 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Large RoPax ferry — Average WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.08528 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
LNG tanker — 0–199,999 m3 WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00333 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
LNG tanker — 200,000+ m3 WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00214 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
LNG tanker — Average WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00262 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Long-haul, to/from UK — With RF WTT- delivery vehs & freight › WTT- freight flights | Scope 3 | Total CO₂e | 0.13516 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Long-haul, to/from UK — Without RF WTT- delivery vehs & freight › WTT- freight flights | Scope 3 | Total CO₂e | 0.13516 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
LPG tanker — 0–49,999 m3 WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00999 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
LPG tanker — 50,000+ m3 WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00207 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
LPG tanker — Average WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00235 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Products tanker — 0–4999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.01033 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Products tanker — 10,000–19,999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00429 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Products tanker — 20,000–59,999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00236 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Products tanker — 5000–9999 dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.0067 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Products tanker — 60,000+ dwt WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00131 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Products tanker — Average WTT- delivery vehs & freight › WTT- sea tanker | Scope 3 | Total CO₂e | 0.00205 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Refrigerated cargo — All dwt WTT- delivery vehs & freight › WTT- cargo ship | Scope 3 | Total CO₂e | 0.00296 | kg CO2e per tonne.km | Well-to-tank | 2026 | Verified (source) |
Rigid (>17 tonnes) — 0% Laden WTT- delivery vehs & freight › WTT- HGV (refrigerated, all diesel) | Scope 3 | Total CO₂e | 0.34888 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Rigid (>17 tonnes) — 0% Laden WTT- delivery vehs & freight › WTT- HGV (refrigerated, all diesel) | Scope 3 | Total CO₂e | 0.21678 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |