Petrol prices have reached a six-month high with many motorists cutting back on car use, according to the AA.
The average price of petrol nationwide is now 117.19p a litre – up from 116.42p a month ago and above 117p for the first time since mid-December 2014.
Diesel is now averaging 121.0p a litre compared with 120.7p in mid-May.
Since the low point for fuel prices was reached on February 1 this year, average prices have risen by more than 10p a litre.
Scotland currently has the priciest petrol, at 117.6p a litre on average, while Wales and Northern Ireland have the cheapest – at 117.0p.
Scotland also has the most-expensive diesel, at 121.6p a litre, while Northern Ireland has the cheapest, at 119.7p a litre.