So then who should be "in charge of the details of the economy"? Multi-national corporations? The Trump Family? How's that working out for everyone else?
A distributed adaptive system with local knowledge and fast adaptation, efficient resource allocation.
It's called capitalism or freedom. Stop asking for everyone's freedom to be taken away.
Our family escaped communism the hard way.
Communism is like a guy in a club who says he's selling ecstasy but it's giving out cyanide.
As I'm sure the commentors here from outside of the U.S. can plainly see - it's going to be a long road to get regulations in place to somehow incentivize smaller vehicles (and that's assuming we ever have a functioning government again). For Americans, a lot of our self-image/worth is tied up in the vehicles we drive. I suppose it's a combination of cultural history (hyper-individualism) and decades of marketing and advertising from auto manufacturers.