The worth of diesel fell by virtually 12p final month – a file drop, in response to new figures.
The RAC mentioned the typical worth per litre was now 147p, down from 158.9p firstly of May – making it the seventh consecutive month costs have fallen.
It means the price of a typical 55-litre tank is round £6.50 cheaper.
However, the RAC mentioned the autumn ought to be higher to totally replicate modifications within the wholesale market.
Petrol costs additionally fell by round 3p in May, from 146.5p to 143.3p.
The Competition and Markets Authority mentioned in May that rising costs in 2022 appeared to partially replicate “some weakening of competition”.
RAC gas spokesman Simon Williams mentioned: “After calling for giant pump worth cuts for weeks, we have been happy to see that May was the month when this lastly occurred.
“The fact it appears to have been prompted by the Competition and Markets Authority’s mid-month announcement about weakening competition in fuel retailing is surely not a coincidence.
“A 12p discount within the worth of diesel in a single month is one thing we’ve not seen in almost 23 years of monitoring costs.
“But despite this, it’s still galling to see that a litre of diesel is 8.5p cheaper in Northern Ireland than it is in the rest of the UK.
“This factors to a extra clear and aggressive gas market there, one thing drivers in the remainder of the UK would very very like to see, significantly with cash being so tight within the cost-of-living disaster.”
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Fuel costs started to extend firstly of 2022, partly pushed by pressures available on the market introduced by the struggle in Ukraine and sanctions on Russian firms.
UK inflation has eased in current weeks, helped by falling vitality costs, however meals costs stay excessive.
Source: information.sky.com”