It's hard to hold the designers of concept cars accountable -- so few ever come close to seeing the light of day, and they are, after all -- concepts. That said, the eRinGo car is one design we seriously hope never comes to fruition. A two-seater that's capable of converting back and forth between one and three-wheeled driving, depending on the curves of the road ahead, the eRinGo looks like a half-crushed can of Heineken. Not a good thing, in our opinion. That said, we like the two steering wheel concept -- wherein the passenger on either side can take over driving duties -- great if your friends are the agreeable sort willing to hand over the keys at any moment. There isn't much more meat as to how this dude would wor
