Business Green: Japanese utility Tokyo Electric Power Co (TEPCO) has said that it plans to use wood waste as a biomass fuel source for one of its coal-fired plants. TEPCO announced this week that starting in 2012, its power station in the Japanese village of Tokai, Ibaraki prefecture, will use wood waste alongside coal. Wood from forest thinning and waste from lumber mills will be made into pellets, which will then be crushed and mixed with coal. TEPCO said the process, which will use about …