fuel capacity

Reading the reams of coverage pouring out on the 2010 Toyota Prius, we realized we hadn't covered one new feature that corrects an irritating problem with its predecessor, the 2004-2009 Prius hybrid. That was the earlier car's fuel "bladder" gas tank, a flexible membrane that expanded and contracted as the volume of gasoline changed. It was contained inside a metal shell for rigidity and protection from road hazards, so many owners never knew it was there. The new 2010 Prius uses a conventional, rigid tank, albeit one made of lightweight reinforced resin rather than steel. The notion behind...