Sounds like a reasonable proposal to me. Instead of exemption, paying a high price for it could give other people a sense of fairness. (edit) Using that money

Sounds like a reasonable proposal to me. Instead of exemption, paying a high price for it could give other people a sense of fairness. (edit) Using that money to finance switching to battery/hydrogen/whatever powered cars for people with less resources could even offset it fairly. Let them help the rest improve the situation for everyone and they can keep their toys.