30 concept cars that never hit the mainstream

Photo: msn.com

 When designers are asked to paint the future for automakers, they sometimes create a piece of art so stunning it could never go into production. Car manufacturing is about mass appeal after all, and a vehicle that's too unique won't sell as well to the masses. Others are fully intended to go into production immediately, only to have financial or legal challenges get in the way.

Here are some incredible vehicles that never made it into our driveways.