The organisation's latest data shows that unleaded prices have risen by 4.4ppl over the last month from 116.1ppl to 120.5ppl.

Diesel prices have also risen, by 4.7ppl, from 116.9ppl to 121.6ppl.

The price difference between unleaded and diesel has risen from 0.8ppl to 1.1ppl.

Supermarket prices for unleaded also rose over the month by 5.0ppl to 118.8ppl. The gap between supermarket
prices and the UK average for unleaded has fallen to 1.7ppl.