GM's hydrogen car ?

[brads70]

http://www.flixxy.com/gm-hy-wire-concept-car.htm

[dutch]

now, THAT is very cool    The only thing I am missing is a body made of solarpanels. 

[Jamiez]

Interesting.  Both technologies have been around for a while.  Drive by wire is currently illegal in the states as the laws require mechanical linkages for safety reasons

[Skunkworks Challenger]

Drive by wire is currently illegal in the states as the laws require mechanical linkages for safety reasons

Don't know why DRIVE by wire would be illegal when most modern airplanes are now FLY by wire!