Maybe not so much "ban" giant vehicles as stop subsidizing, rewarding, and encouraging them.

There's safety and emissions loopholes that brought this on: https://www.wired.com/story/the-us-wants-to-close-the-suv-lo...

We also subsidize fossil fuels to some $900B/yr, not counting foreign wars for oil, climate damage, health impacts etc. Fuel should be MUCH more expensive, around $15/gal. If priced right, the market would weed out these giant vehicles for personal/entertainment use. https://www.eesi.org/articles/view/in-gasolinegate-the-true-...