Volkswagen is adding a new, even smarter model to its I.D. family of all-electric concepts, with the VW I.D. VIZZION previewing its, well, vision of tomorrow's autonomous transportation. While the concept car may not be an outlandish coupe or a go-everywhere SUV, it does have what's arguably an even tougher challenge ahead of it. Persuading people that driverless vehicles can still forge an emotional connection.