|
Fuel type |
Kg of CO2 per unit of consumption |
|
Grid electricity |
43 per kWh |
|
Natural gas |
3142 per tonne |
|
Diesel fuel |
2.68 per litre |
|
Petrol |
2.31 per litre |
|
Coal |
2419 per tonne |
|
LPG |
1.51 per litre |
|
Vehicle type |
Kg CO2 per litre |
|
Small petrol car 1.4 litre engine |
0.17/km |
|
Medium car (1.4 – 2.1 litres) |
0.22/km |
|
Large car |
0.27/km |
|
Average petrol car |
0.20/km |
|
Small diesel car (>2 litres) |
0.12/km |
|
Large car |
0.14/km |
|
Average diesel car |
0.12/km |
|
Articulated lorry, diesel engine |
2.68/km (0.35litres fuel per km) |
|
Rail |
0.06 per person per km |
|
Air, short haul ( 500km) |
0.18 per person per km |
|
Air, long haul |
0.11 |
|
Shipping |
0.01 per tonne per km |