> In 2022 is was £1.89 a litre and spent most of the year over £1.60 a litre

Why are you choosing the 2022 energy crises as your baseline? Not only your choice was arbitary but you managed to choose the year fuel was at its highest as a reaction to the war in Ukraine.

That price was not representative or typical, it was a spike. You can see it here.

https://www.ons.gov.uk/economy/inflationandpriceindices/time...