A New Battery Takes Off in a Race to Electric Cars

VROOOOM! Or, rather, much more softly: brmmm.

A123Systems, a start-up in Watertown, Mass., says it has created a powerful, safe, long-lived battery. If the cell fulfills the ambitions of its maker, that softer sound will be the future of automobiles.


To date, all-electric vehicles have failed because their batteries were inadequate. General Motors