搜索
ThegraphshowsenergyconsumptionintheUSfrom1980to2012,andprojectedconsumptionto2030.Petrolandoilarethedominantfuelsourcesthroughoutthisperiod,with35quadrillion(35q)unitsusedin1980，risingto42qin2012.Despitesomeinitialfluctuation,from1995therewasasteadyincrease.Thisisexpectedtocontinue,reaching47qin2030.Consumptionofenergyderivedfromnaturalgasandcoalissimilarovertheperiod.From20qand15qrespectivelyin1980，gasshowedaninitialfallandcoalagradualincrease，withthetwofuelsequalbetween1985and1990.Consumptionhasfluctuatedsince1990butbothnowprovide24q.Coalispredictedtoincreasesteadilyto31qin2030,whereasafter2014,gaswillremainstableat25q.In1980,energyfromnuclear,hydro-andsolar/windpowerwasequalatonly4q.Nuclearhasrisenby3q,andsolar/windby2.Afterslightincreases,hydropowerhasfallenbacktothe1980figure.Itisexpectedtomaintainthisleveluntil2030,whiletheothersshouldriseslightlyafter2025.Overall,theUSwillcontinuetorelyonfossilfuels,withsustainableandnuclearenergysourcesremainingrelativelyinsignificant.