Toyota Unveils New Prius at Detroit Auto Show

From new lithium ion batteries to updated hybrids, automakers are looking to step up the fuel efficiency of their cars. Toyota announced that the latest Prius model will get a combined 50 miles to the gallon. (Jan. 12)

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YouTube | January 13, 2009

Tags:. .prius. .lithium. .ion. .automakers. .gallon