(http://media.il.edmunds-media.com/toyota/prius-c/ns/toyota_prius-c_prf_ns_11411_196.jpg) Just days after the debut of the Toyota Prius V and the Prius C concept at the 2011 Detroit Auto Show, the Japanese automaker kicks off a marketing campaign that asks "what is the plural of Prius?"
Toyota Prius Brand Name Game Begins (http://www.insideline.com:80/toyota/prius/toyota-prius-brand-name-game-begins.html)