Xcel's CEO on the future of electric vehicles

The Tesla Model S electric car was on display at the North American International Auto Show in Detroit.
Stan Honda | AFP/Getty Images 2010
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Xcel Energy is investing $25 million in new charging technology to fuel the coming electric car boom.
But can electric cars really deliver the equivalent cost of a buck a gallon, with zero carbon emissions?
We asked Xcel Energy chairman and CEO Ben Fowke about the future of electric vehicle growth.
Hear the conversation by using the audio player above.
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