While the press debates the merits of the new Chevy Volt (and whether to call it electric or hybrid) and the upcoming release of Nissan's electric LEAF, the most interesting "green" car story may be about the king of the segment, the Toyota Prius. It has not received as much attention, but Toyota's plans to extend the Prius line shows Japanese auto maker will be vigorous in making sure it continues to lead the industry in alternative fuel vehicles.

2010 Toyota Prius

Oh I'm sure some of you are reading this and yawning or dismissing the Toyota's idea of adding more vehicles under the Prius nameplate.