Don’t ban them, just tax them until they aren’t worth buying. You want to drive a vehicle that large then you get to pay a larger share towards maintaining the roads, a higher tax on gasoline since you’re using more when more economical and environmentally friendly alternatives to your big ol’ truch exist, and when…

Hell, just have a throw away line about all the stuff Wayne Industries has done for Gotham and include something about an abandoned wireless charging network built into all the main and secondary streets of Gotham. That way THE Batman won’t have to find a super charging station after a night on patrol.