Almost all physical goods have diesel prices contribute to their sticker price in a significant way. The diesel exporting countries are all incrementally increasing their domestic consumption, leaving less for the world market year on year.
The UK government isn't trying much policy for tackling the causes or the symptoms, largely because the government is disproportionately drawn from a class of people who don't want those policies. The media of the upper middle class of the UK has sincere column after sincere column of hating the rest of the population and calling for better controls over the cattle.
Tens of millions of people, held hostage by a clique of crabs in a bucket.
It doesn't know what it wants, nor how to prioritise between conflicts from vague pre (and post) election statements. It certainly doesn't want to make the hard compromises that are actually required.
That said...
I wouldn't want the job of trying to balance the books, fix the housing backlog, modernise our energy infrastructure, integrate social and medical care, address social cohesion, manage persistent inequality, improve our global competitiveness etc etc etc
I'm not saying nobody could run this country more effectively. I do strongly suspect the market for that kind of skillset is out of our current price range