General Motors Co is closing in on a package of proposed fixes for the Chevrolet Volt battery pack that engineers believe would eliminate the risk of a fire being triggered days after a crash, two people with knowledge of the situation said on Tuesday.
The proposed repairs under consideration would involve laminating circuitry in the Volt's 400-pound battery pack, reinforcing the case surrounding the lithium-ion battery and better protecting the coolant system from leaks in a severe crash, the sources said.
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