A line worker assembles the Chevrolet Volt, November 30, 2010 in Hamtramck, Michigan.
A line worker assembles the Chevrolet Volt, November 30, 2010 in Hamtramck, Michigan. Mandi Wright/Detroit Free Press/MCT
A line worker assembles the Chevrolet Volt, November 30, 2010 in Hamtramck, Michigan. Mandi Wright/Detroit Free Press/MCT

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April 04, 2011 1:22 PM

Electric cars likely to spark new 'smart grid'

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