Mary Barra

GM’s Mary Barra: Engineers determining cause behind Chevrolet Volt fires

On Friday, the General Motors (GM) product chief Mary Barra told the Automotive Press Association that the engineers at the company are trying to ascertain the cause of the two post-crash-test fires in the lithium-ion battery of the Chevrolet Volt; and that notable design changes could be made to the plug-in car's battery in order to make it "more robust."

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