麦肯锡-可再生天然气：美国脱碳的瑞士军刀？（英）-9页

ElectricPower&NaturalGasRenewablenaturalgas:ASwissarmyknifeforUSdecarbonization?Renewablenaturalgasplaysaroleinreducingemissions—scalingitisonepotentialnear-termactiononthejourneytodecarbonization.ThisarticleisacollaborativeeffortbyKesterBrons,GracieBrown,NathanLash,RuidiLu,AndjelkaMilutinovic,andGregSantonirepresentingviewsfromMcKinsey’sElectricPower&NaturalGasandOil&Gaspractices.©GettyImagesNovember2023Theenergytransitionisunderway.Corporationsusedforcomparison(seesidebar,“RNGcanbeandpolicymakersareembarkingonambitiousproducedfromavarietyofsources—withvaryingdecarbonizationjourneystoreducedependenceoncosts,availability,andcarbonintensity”).⁴Thisfossilfuels.Renewablenaturalgas(RNG)emergescharacteristic,combinedwithRNG’sabilitytoasanalternativefuelthatcouldcontributetobeusedinexistinggasinfrastructurewithoutsubstantialemissionsreductionsacrossmultipleinfrastructuremodification,pointstoitsphysicalindustries.viabilityasanalternativetofossilnaturalgas.Atpresent,fossilnaturalgas—whichcomprisesHowever,becauseRNGisfeedstocklimitedand95percentmethane,5percentethane,andtraceisnotalwayseconomicallyviable,itisnotasilveramountsofotherhydrocarbons—isthesecondbulletfordecarbonization.Currently,RNGsupplylargestsourceofprimaryenergyintheUnitedrepresentslessthan1percentofnaturalgasStates,responsiblefor33percentofth...