U.S. News Rankings & Reviews (Enlarge photo)

07/10/2008 02:13. The Toyota Prius is an engineering marvel for its world-beating fuel economy, but driving enthusiasts don't exactly line up to buy them as track toys.  Performance-wise, the Prius has always been just adequate.  It was considered a major accomplishment when, with the second generation Prius, Toyota made the car feel almost like a normal car to drivers.  Rumors now say, however, that the 2010 Toyota Prius may well have more spunk.

Autoblog Green reports, "Toyota has had a few years now to tweak its Hybrid Synergy Drive and has created both performance hybrids and super-efficient hybrids from the technology. According to Toyota managing director Miguel Fonseca, the next Prius will emit less than 100 g/km of CO2 while offering sportier performance."

Fonseca... // U.S. News Rankings & Reviews