Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us -- it's the Week in Green.
Up until now, Tesla has blazed a trail in the electric vehicle market -- but the major automakers are finally starting to catch up. This past week Porsche unveiled its new Mission E electric car, which packs over 600 horsepower and recharges in 15 minutes flat. Meanwhile, Audi showcased a sleek all-electric SUV to rival the Tesla Model X, and Mercedes-Benz debuted a car that can actually transform at high speeds. Even LA is jumping on the green-car bandwagon -- the city just announced plans to launch the largest electric vehicle fleet in the US. If you prefer pedal-powered transportation, don't miss out on a chance to win a Public V7 bike in our back-to-school giveaway -- it only takes a second to enter!