At the 2012 Detroit auto show, CNET's Wayne Cunningham takes a look at how Toyota is incorporating plug-in technology into future cars.
Toyota's NS4 concept, unveiled at the 2012 North American International Auto Show, looks like a future Prius model.
At the 2012 Detroit auto show, CNET's Wayne Cunningham takes a look at how Toyota is incorporating plug-in technology into future cars.
Discuss: NS4 Concept paves the way to Toyota's future
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