"Ever since legendary automotive designer Harley Earl created what was arguably the first concept car in 1938, the public has been enthralled to witness the ever-expanding limits of technology combined with auto designers' unrestricted imaginations.
Traditionally, concept cars were usually extreme flights of fancy. With exaggerated bodywork and wildly impractical technology (on-board nuclear generator, anyone?), concept cars of the past boldly tossed reason out the window while pointing the way to a more fun motoring future."
See the rest of his great article here.