Tom and Ray on PBS' NOVA

[Caddyman]

Private passenger cars will become very small and lightweight and will be powered by several different energy sources, depending on how the vehicle will be used and what you can afford… Since private vehicles are more status symbol than they are transportation, wealth will of course continue to display itself with big, heavy gas hogs, like the Hummer fans do today…The coming energy crisis (for real this time) will change the way we live from the top down…