December 22, 2008 8:13 AM

Washington state project smooths way for plug-in hybrid cars

Businesses and public agencies in Washington state are testing electric plug-in hybrid vehicles to help smooth a transition away from the gas-guzzling variety. The yearlong project, sponsored by the Washington Department of Community, Trade and Economic Development and the Port of Chelan County, will collect data on battery charging and mileage and emissions in different weather and road conditions.

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