Emission factor
Car (petrol, average) — 0.17 kg CO₂e / km
The emission factor for Car (petrol, average) is 0.17 kg CO₂e per km, based on UK DEFRA (2024).
Factor details
| Value | 0.17 kg CO₂e |
|---|---|
| Unit | km |
| Region | Region-independent |
| Category | Transport |
| Typical scope | Scope 1 for owned vehicles, Scope 3 for third-party travel. |
| Source | UK DEFRA, 2024 |
What this means
Transport factors convert distance travelled into emissions and vary by vehicle type and occupancy. Use them for owned vehicles (Scope 1) and for business travel on third-party transport (Scope 3).
Worked example
1,000 km × 0.17 kg CO₂e = 170 kg CO₂e ≈ 0.17 t CO₂e.
Quick conversions
1 1,000 km = 170 kg CO₂e (0.17 t CO₂e)
Frequently asked questions
What is the emission factor for Car (petrol, average)?
The emission factor for Car (petrol, average) is 0.17 kg CO₂e per km, according to UK DEFRA (2024).
How do I use an emission factor?
Multiply your activity data (in km) by 0.17 to get emissions in kg CO₂e, then divide by 1,000 for tonnes.