Welcome to the future of urban transportation, a driverless taxi that will get you where you're going without any unpleasant human interaction or labor disputes. This is the PRT (Personal Rapid Transit) podcar from Zagato, a fully electric and fully automated taxi system set to shuttle people around Masdar City, an eco-utopia under development in Abu Dhabi that pledges to have no carbon footprint and no real roads, leaving these to buzz along underground at a leisurely 15 mph. Unlike other