Some petrol prices are on their way down in Pembrokeshire, after reaching new record highs last month.

RAC analysis showed the average cost of a litre of the fuel at UK forecourts rose by 16.6p last month, from 174.8p to 191.4p.

That is the highest monthly increase in records dating back to 2000.

The surge in prices added more than £9 to the cost of filling a typical 55-litre family petrol car.

Average diesel prices rose by 15.6p per litre, ending the month at 199.1p.

But there is evidence that prices could be on the decline in Pembrokeshire.

Selected prices in the county, according PetrolPrices.com are:

  • Morrisons Haverfordwest – 192.9p for unleaded/199.9p for diesel
  • MFG Haverfordwest – 191.9p for unleaded/199.9p for diesel
  • Fiveways Garage – 189.9p for unleaded/197.9p for diesel
  • Tesco Milford Haven – 184.9p for unleaded/194.9p for diesel
  • Shell Kilgetty – 179.9p for unleaded/189.9p for diesel

The RAC said higher pump prices were expected at the start of June due to the cost of oil rising in response to increased demand and continued supply concerns relating to the war in Ukraine.

But five consecutive weeks of falling wholesale costs have not been reflected at the pumps.

Retailers have doubled their average profit margins from a long-term figure of around 6p per litre to 12p per litre, according to the RAC.

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The organisation’s fuel spokesman Simon Williams said: “The rate at which pump prices have been rising over the last four weeks is hard to comprehend.

“Not a day in June went by when petrol prices didn’t go up, even though the price retailers pay to buy in fuel went down.

“There’s no doubt that drivers are getting an incredibly raw deal at the pumps at a time when the cost-of-living crisis is being felt ever more acutely.”

Average fuel prices have increased by around 27p per litre for petrol and 21p per litre for diesel since then-Chancellor Rishi Sunak implemented a 5p cut in duty in March, leading to calls for the Government to take further action.

Mr Williams went on: “The silence from the Treasury when it comes to supporting drivers through this time of record high pump prices is, frankly, deafening.

“Perhaps it has something do with the fact that it’s benefiting significantly from the increased VAT revenue caused by the high prices.”