That actually sounds like a viable regulatory hack. Technically an "EV" with "V2G capability", but actually it's a truck full of batteries with solar panels hanging off it.
The UK variant seems to have more traditional failure modes of "excessive charges for maintenance of communal areas": https://parliamentnews.co.uk/tales-of-intimidation-excessive... , but people are still capable of having the occasional fistfight or protracted legal dispute about the wrong kind of hedge in a more informal, adhoc way.