January 16, 2008 - ...to trade emissions credits, Sekizawa said, "I have never heard anyone make a convincing case that such a system has ever been effective." "Companies operating in Japan will flee overseas if they are allocated an unfair quota of emissions (under the emissions rights trading scheme)," he added.Asuka countered Skizawa's view, saying an increasing number of Japanese firms have begun to embrace emissions trading and even those that have expressed opposition have begun to study such a...