

The 2010 Toyota Prius gets a 1.8-liter 4-cylinder gasoline engine of similar design to the current 1.5-liter unit. An apparent response to some customers' request for zippier performance, the replacement engine makes 98 horsepower versus 75. Combined gas/electric horsepower is said to be 134, up from 110. There's been no carping about Prius' electric Hybrid Synergy Drive, but we understand Toyota has re-engineered the system to be lighter, more compact, and more powerful despite launching the new model with conventional NiMH batteries. A continuously variable automatic transmission (CVT) will remain mandatory, but will doubtless be re-engineered, too.

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