The latest surge in fossil-fuel prices means it is now up to nine times cheaper in the UK to drive an electric vehicle (EV) than a petrol or diesel car, shows Carbon Brief analysis.
Since February, when the US first attacked Iran, the average price of diesel has increased by 38% to £1.96 a litre, according to Carbon Brief analysis of government figures.
Following the attack on the Kapotnya oil refinery in Russia on 20 September and with tensions in the Middle East growing, this is expected to pass a record £2 a litre.
(Russia was the second-largest exporter of diesel in the world, but its refineries have been hit every three days on average in the first six months of 2026.)
Similarly, petrol prices have surged by 31% since February to £1.72, based on government figures, with some locations reaching nearly £2 per litre, according to BBC News.
These increases have been driven by oil prices jumping to more than $100 per barrel as the conflict between Yemen’s Houthis and Saudi Arabia escalates – a roughly 50% increase from June.
As such, it now costs an estimated 21p per mile to drive a diesel car and 20.1p per mile for petrol, according to Carbon Brief analysis of the latest figures from the Department of Energy Security and Net Zero (DESNZ).
3p per mile, as shown in the chart below.
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