| http://www.w3.org/ns/prov#value | - y league tables revealedLast updated on 13 March 2013, 10:59 amEnergy efficiency league tables in the US have confirmed California as the top state for energy conservation in buildings.The Environment Protection Agency???s (EPA) list of cities with the most Energy Star rated buildings is an indicator of how serious each is taking efforts to cut energy use.California held six places in the top 25 i
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