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Green Car Concepts

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This week, the North American International Auto Show in Detroit opens to the public. Every year, the event is a showcase for the newest trends for tomorrow's cars and trucks, and this year, the big trend is fuel-efficient vehicles, and could forecast what's in store for the upcoming Chicago auto show.
Cleaner cars have been promised before, but Dustin Dwyer talks about why this year's green car concepts could be more than just an attempt to polish up a dirty image for the auto industry.

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