energy conservationenergy conservation lawenergy conservation principleenergy consumingenergy consumptionenergy conversion factorenergy corrected milkenergy crisisenergy curtailmentenergy cycleenergy denseenergy depositenergy descentenergy diagramenergy dilemmaenergy dipenergy dispersive x ray spectroscopyenergy distribution wagonenergy drainingenergy drinkenergy efficiencyenergy efficiency ratioenergy efficientenergy efficient applianceenergy efficient appliancesenergy efficient devicesenergy efficient lampenergy efficient light bulbsenergy efficientyenergy eigenstatesenergy exchangeenergy expended in physical activityenergy expenditureenergy explorationenergy exportsenergy formsenergy functionenergy gapenergy givingenergy gridenergy harvestenergy harvestingenergy hungryenergy imbalanceenergy information administrationenergy infrastructureenergy initiativesenergy intensityenergy intensiveenergy investment
