Agenda目录作为世界领先的清洁气体燃料发动机的供应商向所有客车和卡车用户提供最经济的解决方案Tobetheworld’sleadingproviderofcleangaseousfueledenginesthatdeliverthemosteconomicsolutionforallbusandtruckcustomers.市场和应用MarketsandApplications发动机累计销售CumulativeEngineSales市场进展MarketEvolution产品发展ProductEvolution康明斯西港产品系列产品CWIProductLine5.9Litre8.3Litre8.9Litre195–230hp250-280hp320hp420–500lb-ft750–850lb-ft1000lb-ft1.8NOx+NMHC1.8NOx+NMHC1.5NOx+NMHC0.01PM0.01PM0.01PM美国的排放法规EmissionsRegulationsToday’sDieselandNGEngineEmissions天然气发动机可以降低城市噪音污染GasEnginewillreducenoiselevelinthecity随着排放的降低柴油汽车的运营成本会上升而燃气汽车成本保持相对平稳Directionallydieselpoweredvehiclecostsarerisingwithdecreasingemissions,whilenaturalgasvehiclecostsareremainingrelativelyflat历史上在美国天然气成本按能量等效相比,较柴油燃料低25%HistoricallynaturalgasintheUShascost25%lessthandieselfuelonagallonequivalentbasis燃料成本上的节约可能是相当大的,特别是高燃耗的应用如城市公交和垃圾收集车Fuelcostsavingscanbesignificant,especiallyinhighfueluseapplicationsliketransitbusandrefusecollection当燃料成本和安装成本之和有利于燃气汽车的市场上,可以给用户提供最低的生命周期成本.Canoffercustomerslowestlifecyclecostinmarketswherecombinedfuelcostsandtotalvehicleinstalledcostfavorsnaturalgasoverdieselfuel天然气与柴油发动机主要特性的比较KeyCharacteristics-NaturalGasvsDiesel过度到氢燃料的途径PathwaytoHydrogen技术发展TechnologyEvolution天然气发动机技术NaturalGasTechnology稀薄燃烧界限LeanBurnCombustionLimits稀燃技术LeanBurnTechnology现行的产品技术CurrentProductTechnology2007L系列产品ISLG‘07汽车排放AutomotiveEmissions理想化学配比的燃烧允许使用三效催化剂Stoichiometriccombustionallowsuseof3-waycatalyst可满足EPA2010年及以后的法规CanmeetEPA2010andbeyond催化剂技术已由轿车工业所证明Provencatalysttechnologyfrompassengercarindustry可望能满足2010年EPA法规并具有可与柴油机相比的生命周期成本ExpectthetechnologytodeliverEPA2010emissionsandcompetitiveLCCwithdiesel较低的二氧化碳排放LowerCO2emission冷却的废气再循环CooledEGR高扭矩Hightorque高效率Highefficiency可靠性/耐久性Reliability/Durability康明斯柴油机零件通用Cumminsdieselparts小结Summary