(http://media.il.edmunds-media.com/chevrolet/volt/2012/ns/2012_chevrolet_volt_det_ns_12412_196.jpg) Renewable electric charging may be on the horizon for Chevrolet Volt owners, thanks to a hook-up between OnStar and PJM Interconnection, a major electric transmission company that calls itself "the air traffic controllers of the power grid."
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