@pzmyers Well, once upon a time, gas prices shooting up got lots of USAians to go for smaller more economical cars. But with the transition to battery electric, I'm guessing that won't happen again.
Maybe something like the "tiny house" thing can be adapted to "tiny cars"? I mean, it wouldn't be the big changes we need, but it might help a little?
If we could make "tiny cars" trendy among snooty folks or something ...