Plug Power Inc (PLUG) announced that it is terminating a distribution joint venture with a unit of General Electric Co. and said a GE executive had resigned from its board. Plug Power said it and GE MicroGen Inc. would terminate the GE Fuel Cell Systems joint venture. As a result, Plug Power can now sell its products to anyone without obligation to General Electric, the company said in a regulatory filing. [ more ] Shares of Plug Power are down 1% in pre-market trading.