| http://www.w3.org/ns/prov#value | - You can live through 30 years of tight oil markets, or you can say, ???let???s start moving now for that clear market signal that will move investment to green technology.??? And it???s a superior idea to saying, ???Well, let???s try to get there by instituting some sort of signal, but let???s have that signal be influenced by trading and allowances and various ways in which that true market signa
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