RAC fuel spokesman Simon Williams said firms were using a reduction in the wholesale oil prices to get back at the loss of income last year.
He said: “As always, the future of fuel prices is hard to predict more than a few weeks in advance and even more so now as the pandemic appears to have altered the dynamics of fuel retailing, with the supermarkets having an even greater stranglehold on the market.
“Looking at the wholesale price of both fuels, in normal circumstances unleaded definitely shouldn’t be continuing to rise with the numbers actually pointing to the potential for a 2p reduction.
“Diesel is currently 4p too expensive which suggests retailers are using the saving in the wholesale price to help make up for lower fuel sales over the last year.
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