Study: Electric cars' benefits vary by location
A plug-in port on the driver side of the Chevy Volt.
/ Josh Miller/CNET(CBS News) The benefits of driving an electric car - both to the environment and to one's wallet - can vary significantly depending on the location of the car, according to a new study.
In a new report, the Union of Concerned Scientists, a nonprofit advocacy group, found that in some areas of the United States an all-electric car's greenhouse gas emissions are lower than fuel-efficient hybrids, while in others, electric cars are more in the range of a gasoline-powered compact, emissions-wise.
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