Toyota is expanding the Prius family, by unveiling an all-new version of the car, as a concept, at the 2011 North American International Motor Show. The new Prius which is apparently a minivan will join the the current line of Prius and Prius Plug-in vehicle (PHV). The car will be revealed on Monday, Jan. 10 during a press conference. hit the jump to see a teaser video of the Prius Family.