There is no "road tax" in the UK, is it? It's a fee for polluting, not using the road. I hate that it's being used as an argument against cyclists: "get off the road, you don't pay road tax". This of course also ignores that most adult cyclists also own a car.. Norway have the same issues now. Almost all new cars are electric. You don't pay purchase tax / vat when buying it. Pay less on toll roads. Cheaper to use. Et…
Vehicle Excise Duty since 1920 - https://en.wikipedia.org/wiki/Vehicle_Excise_Duty
Road funding in the UK is just from the general pot of tax money.
There are a lot of anti-cyclist types in the UK that always incorrectly (or ironically, correctly) claim that cyclists don't pay road tax (no one does) and therefore shouldn't use the road, even though just about every cyclist is an adult that pays UK tax.
I certainly expect the UK, and every other country to tax EVs by mileage within a decade, and additionally toll charge on major routes, almost certainly via cameras (to also fine you for speeding), or require all cars to have a GPS blackbox (which let's face it, isn't expensive now).