There's a Jevons Paradox type thing where they ended up spending roughly the same to travel a mile due to Japan or the EU pushing for efficiency due to needing to import the fuel (might be visible in California too due to them fighting their geography that causes smog).
Possibly the EU is pulling ahead on price per mile now with the shift to EVs.
Possibly the EU is pulling ahead on price per mile now with the shift to EVs.