30 cities join to explore $10 billion electric-car purchase

New York City skyline (by Flickr user AngMoKio)While federal policies to reduce vehicular emissions of carbon dioxide are now back in the limelight, it's a different story on the state and local level. A group of 30 U.S. cities is discussing a major purchase of electric cars for their municipal fleets. The cities have jointly asked automakers for cost and feasibility estimates of providing...