Factor record · black-cab-km-scope-3-defra-2026last verified 2026-07-31 · DESNZ
0.30604
kgCO2e / km
Travel by taxi — Black cab
Business travel · Road transport · Taxi
Vintage
Select unit
Unchanged from 2025
0.30604 kgCO2e/km in 2025
GHG Breakdown
CO₂
0.3044
kgCO2e/km
CH₄
0.0000
kgCO2e/km
N₂O
0.0017
kgCO2e/km
Record
- Identifier
- 5f5ac8af6eca
- Activity
- Travel by taxi — Black cab
- Activity class
- Business travel · Road transport · Taxi
- Category
- transport
- Sub-category
- Taxis
- Region
- GBR · United Kingdom
- Value
- 0.30604 kgCO2e/km
- Scope
- Scope 3*
- Scope 3 category
- Category 6
- Methodology
- activity based
- GWP
- AR5 / GWP100
- Vintage year
- 2026
- Published
- 2026
- Source reference
- Factors by Category sheet, ID 25_313_3142_4_1
- License
- Open Government Licence v3.0
- Verified
- 2026-07-31 · DESNZ
Citation
DEFRA 2026, Travel by taxi — Black cab, Factors by Category sheet, ID 25_313_3142_4_1
Methodology
Derived from direct physical activity measurements (litres, kilometres, kilograms). The most accurate approach where activity data exists.
Notes
* Scope 3 boundary · Use this factor for Scope 3 Category 6 passenger road journeys undertaken for business in vehicles outside the reporting organisation’s ownership or control. Choose the car, motorbike, bus, coach, or taxi record and unit that match the travel data available. Separate factors apply to employee commuting, owned or controlled vehicles, freight transport, rail travel, and upstream well-to-tank emissions.
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