Supermarkets Asda and Morrisons have reduced their fuel prices by 12p per litre for petrol and 8p per litre for diesel.
Supermarkets have announced fuel price reductions after being accused of not passing on savings from lower wholesale costs.
Thirteen million motorists have been hit with a 14th consecutive week of fuel price rises.
Recent hikes in energy costs and petrol prices are expected to send UK inflation to its highest level in four months when official figures are disclosed on Wednesday.
Fuel prices have reached a three-and-a-half year high, new figures show.
Petrol and diesel prices could rise within days due to the plunge in the value of the pound following the EU referendum, experts warned.
Motorists have been hit with a rise in the price of petrol and diesel for the third month in a row, according to new figures.
A general strike called in Nigeria to protest against higher fuel prices drew only partial compliance after the main unions failed to take a common stand following talks with the government and an injunction imposed by an industrial court.
Motorists in the oil rich United Arab Emirates face the second petrol price hike at the pumps for the second month running.
American drivers will pay the lowest average summer price in more than a decade this year for regular gasoline, according to Energy Information Administration forecasts.
Motorists in the United Arab Emirates are bracing themselves for a major price hike to fuel prices - with petrol "soaring" to 28 pence per litre.
Sharply lower oil prices have also kept a lid on inflation, leaving the central bank in no hurry to raise interest rates above 0.5%, where they have remained for nearly seven years.
Motorists have been warned that the cheap fuel market may have bottomed out as the price of oil shows early signs of recovery.
The average price of diesel has reached a six-year low, new figures show.