We've seen this before -- mostly on cars that fall far out of our price range or futuristic ones designed by Doc Brown. But how is one to cope in a rapidly overcrowding world, where parking spots are more narrowly drawn than ever? The answer -- gull-wing doors that flap open like butterfly wings such as on the McLaren above or the souped-up smart car (below) from Smart Madness in Signal Hill, Calif. These would prevent you from opening doors into other cars ... or, say, curbs. This feature could also help us all take up a little less space in this world.
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