Green car DIY-ers of the world, unite! In these week’s episode of Green Overdrive we meet up with three green car fanatics that have pimped out their gas-guzzlers into gems of sustainability. The Blackbird plug-in, the biofuel burnin’ Eco-Benz (hemp and solar panel included), and the all-electric eeVee Motors. Just don’t ask ’em how much these conversions cost (it ain’t cheap!).