One of the auto industry's most closely guarded secrets - the big cost of batteries for electric...

|By:, SA News Editor

One of the auto industry's most closely guarded secrets - the big cost of batteries for electric cars - has spilled out, as Ford (F) CEO Alan Mulally indicates battery packs for its Focus electric car costs $12K-$15K apiece. Ford is currently promoting its new $39,200 Focus EV, with a 23 kilowatt-hour battery pack.