new 2012 Prius v wagon and a tiny city car concept

At the 2011 Detroit Auto Show, Toyota is asking "What's the plural of Prius?"At last year's Detroit Auto Show, Toyota Motor Co. (TOYOF) announced it would create an entire line-up of vehicles sharing the Prius name. The new wagon-like Prius, called the Prius V -- that's the letter V for "versatility," Toyota says, not the Roman numeral five -- has a more spacious interior than the familiar Prius