A POS car for a POS presidency. (ZDNet) — General Motors is closely watching sales of its Chevrolet Volt electric vehicle and will adjust its production of the car accordingly, potentially by June, according to a report Wednesday in The Wall Street Journal. Actually, it sounds like the company’s Volt electric vehicles may be available … Continue reading Report: GM May Halt Production of Chevy Volt, Will Make Them On a Build-To-Order Basis…