Apparently Mitsubishi (as well as Sumitomo) bought some of the allowance of emissions - see here - http://www.ee.emb-japan.go.jp/economicrel.html http://www.ee.

Apparently Mitsubishi (as well as Sumitomo) bought some of the allowance of emissions - see here - http://www.ee.emb-japan.go.jp/economicrel.html http://www.ee.emb-japan.go.jp/economicrel.html Apparently that's part of the game with capping the emissions... http://en.wikipedia.org/wiki/Emissions_trading#Emission_markets http://en.wikipedia.org/wiki/Emissions_trading#Emission_mark... As far as I see - way to go :-)