A while back, Wert noted that underbody plastics serve a glorious and wonderful purpose. We found an example of this sort of thing in L.A., and it just happens to look awesome. Five bucks says you can't guess the car.
BMW Oracle Racing unveiled what it believes to be the world's largest wing on Sunday. Complete with flaps, the wing is a massive 190 feet long. The catch? It goes on a trimaran, not a car.
Excellent under-body aerodynamics will make the bottom of a car look as flat as the underside of a Hot Wheels racer. But looking awesome is obviously not the only purpose.