The Youthmobile 2030 Design Challenge asked some of the world's leading auto design studios based in SoCal--Audi/VW, Honda, Mazda, Nissan, Toyota, and GM--to design a car we might see some 21 years in the future that would be coveted by the young demographic. With an emphasis on out-there technologies--Honda's concept incorporates human DNA, for chrissakes--the descriptions are a little more complicated than we can sum up in a caption, but you can check out more about each entry at the links bel