L.A.’s first car hit the street 120 years ago, and through the smog and spaghetti-bowl freeways, L.A. is renowned for its car culture (and traffic). But we're starting to shift gears around here. We flirt with electric cars, pile into ride shares, trick out our bicycles, and hop aboard the Expo Line. In a city built for internal combustion, are we changing the rules of the road?