The 2010 Toyota Prius may not be quite as fuel-efficient as advertised. Toyota has revised the car's EPA mileage estimate, though the change is so minor it may not impact any buying decisions.
Kicking Tires reports, "Toyota experienced issues while testing the new Prius, due out later this spring. Originally thought to be rated at 50/49 mpg city/highway, the company now says those numbers have been revised to 51/48 mpg." That doesn't change the car's combined mileage rating, which remains at 50 mpg.
It also remains the most fuel-efficient mass-marketed car for sale in the U.S.
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