Toyota Motor Sales, U.S.A., Inc., unveiled the Prius family of vehicles today at the 2011 North American International Auto Show. In addition to the current third-generation Prius and Prius Plug-in Hybrid Vehicle (PHV), the new Prius v midsize hybrid-electric vehicle and the Prius c Concept vehicle joined the iconic hybrid brand, broadening the appeal of Prius to all ages and lifestyles. With the expansion of the Prius family, a new evolution of vehicles will further increase...