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 |
|---|---|---|---|---|---|---|---|
Light rail and tram WTT- pass vehs & travel- land › WTT- rail | Scope 3 | Total CO₂e | 0.00749 | kg CO2e per passenger.km | Well-to-tank | 2026 | Verified (source) |
Local bus (not London) WTT- pass vehs & travel- land › WTT- bus | Scope 3 | Total CO₂e | 0.03174 | kg CO2e per passenger.km | Well-to-tank | 2026 | Verified (source) |
Local London bus WTT- pass vehs & travel- land › WTT- bus | Scope 3 | Total CO₂e | 0.01821 | kg CO2e per passenger.km | Well-to-tank | 2026 | Verified (source) |
London Underground WTT- pass vehs & travel- land › WTT- rail | Scope 3 | Total CO₂e | 0.00728 | kg CO2e per passenger.km | Well-to-tank | 2026 | Verified (source) |
Lower medium — Battery Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.01642 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Lower medium — Battery Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.0102 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Lower medium — Diesel WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.05603 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Lower medium — Diesel WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.03482 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Lower medium — Petrol WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.04582 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Lower medium — Petrol WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.07375 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Lower medium — Plug-in Hybrid Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.03894 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Lower medium — Plug-in Hybrid Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.0242 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Lower medium — Unknown WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.04114 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Lower medium — Unknown WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.0662 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Luxury — Battery Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.01272 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Luxury — Battery Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.02047 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Luxury — Diesel WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.08145 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Luxury — Diesel WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.05061 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Luxury — Petrol WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.08949 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Luxury — Petrol WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.14403 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Luxury — Plug-in Hybrid Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.05841 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Luxury — Plug-in Hybrid Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.03629 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Luxury — Unknown WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.10998 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Luxury — Unknown WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.06834 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium WTT- pass vehs & travel- land › WTT- motorbike | Scope 3 | Total CO₂e | 0.04196 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium WTT- pass vehs & travel- land › WTT- motorbike | Scope 3 | Total CO₂e | 0.02608 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium car — Battery Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.01645 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium car — Battery Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.01022 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium car — CNG WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.03211 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium car — CNG WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.05167 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium car — Diesel WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.06603 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium car — Diesel WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.04103 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium car — Hybrid WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.02998 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium car — Hybrid WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.04824 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium car — LPG WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.02093 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium car — LPG WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.03368 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium car — Petrol WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.04957 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium car — Petrol WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.07977 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium car — Plug-in Hybrid Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.04063 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium car — Plug-in Hybrid Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.02524 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Medium car — Unknown WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.07271 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Medium car — Unknown WTT- pass vehs & travel- land › WTT- cars (by size) | Scope 3 | Total CO₂e | 0.04518 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Mini — Battery Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.00851 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Mini — Battery Electric Vehicle WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.0137 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Mini — Diesel WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.04205 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Mini — Diesel WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.02613 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Mini — Petrol WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.03655 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Mini — Petrol WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.05881 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |
Mini — Unknown WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.03648 | kg CO2e per km | Well-to-tank | 2026 | Verified (source) |
Mini — Unknown WTT- pass vehs & travel- land › WTT- cars (by market segment) | Scope 3 | Total CO₂e | 0.05871 | kg CO2e per miles | Well-to-tank | 2026 | Verified (source) |