Green cars can be wonderful if done properly. For instance, british racing green has been done to fine effect on old competition cars of the 50's, 60's etc....
However, it can also be done extremely badly. Look at Jaguar in F1. That wasn't a good green. That was an abomination.
The car must also suit green. A green Prius would be daft for instance. But a green Aston Martin? Now you're talking!
*re-reads thread*
Whoops, I have the wrong end of the stick it seems.