Decoding electric vehicles using ratings, prices and green standards -- lots of 'em
Electric vehicle drivers are in for a riddle that involves different prices for electricity and multiple ratings from several sources on a range of factors including fuel economy and driving range.
As so-called "clean fuel cars" such as the Nissan Leaf and the Chevrolet Volt debut on the market, some naysayers are even doubting the sector's environmental pedigree. Where does the power that juices up the vehicles come from? What happens to the batteries after they die for good?
-- Tiffany Hsu