WEnergy lawWAbandoned vehicleWBuildings Energy Efficiency OrdinanceWClean tech lawWConservation easementWEnergy Act 2004WEnergy Act 2010WEnergy Act 2013WEnergy Efficiency and Conservation Act 2000WEnergy Taxation DirectiveWEnergy usage of the United States militaryWEurObserv'ERWEuropean Federation of Energy TradersWGerman Renewable Energy Sources ActWPetroleum Act 1998WPhilippines v. ChinaWPublic Utility Holding Company Act of 1935WRegulation of hydraulic fracturing
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