The Chevrolet Volt plug-in hybrid is being investigated after three batteries caught fire following government crash tests. (Jae C. Hong/Associated Press)
GM taps A123 for safer electric-car batteries
Bloomberg News / December 9, 2011
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General Motors Co., maker of the Chevrolet Volt plug-in hybrid that is the subject of a federal safety probe, is moving to a less volatile battery chemistry for its Chevy Spark electric car going on sale in 2013.
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