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GM cars use plastics in power storage


MANNHEIM, GERMANY (Nov. 19, 12:55 p.m. ET) — The batteries in General Motors’ Opel Ampera and Chevrolet Volt electric vehicles contain more than 40 kg. of polymers. GM's Matthew Carroll revealed details of the EVs’ rechargeable energy storage system at the 2012 VDI plastics in automotive conference in Mannheim.

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