Doosan Fuel Cell Co. on Tuesday reported its third-quarter net loss of 3.7 billion won (US$2.7 million), remaining in the red compared with a year ago.The company said in a regulatory filing that it posted an operating loss of 3 billion won for the July-September period, compared with a profit of 661 million won a year ago. Revenue fell 29.8 percent to 32 billion won.Source: Yonhap News Agency