Reuters: Japan’s latest burst of economic stimulus spending is aimed at promoting energy-efficient products made by recession-hit exporters, but analysts say it is unlikely to help the world’s fifth-biggest polluter cut greenhouse gas emissions. Japan aims to cuts annual greenhouse gas emissions by 13 percent by March 2013 under the Kyoto Protocol from a record level hit in fiscal 2007/08, when emissions rose by 2.3 percent, helped by growth in exports to developing countries. Japan is …