NewenergyvehiclesNewenergyvehiclesisanewautomotiveproducttype,becausethedevelopmenttimeisnotlong,thetechnologyisstillnotmature,sohasnotyetformedawidelyacceptedconcept,butitcertainlyisnewenergyautomobileiscomparedtothetraditionalfuelvehicles,thenewenergyvehicles,accordingtothedefinitionofthescopeoftheconceptsize,therearetwotypesofnarrowandbroadstatement.Generalized:usedingasolineanddieseloilaspowersourceofthecar.Special:anonconventionalvehiclefuelastheadvancedtechnologyofpowercontrolanddrive,theformationoftechnologyhasadvancedprinciple,newtechnology,newstructureofautomobile.Newenergyvehicles,includingfuelcellcars,hybridcars,hydrogenpoweredcarsandsolarcaretc..Hybridelectricvehicleisavehicleequippedwithmorethantwosource:battery,fuelcell,solarcell,Turbinelocomotive.Thecurrenthybridvehiclesgenerallyreferstothedieselgenerator,plusbatterycars.Advantages:Vehiclestartingandstopping,drivenonlybythebattery,donotreachacertainspeed,Theenginewillnotwork,therefore,canmaketheenginehasbeenmaintainedinthebestcondition,gooddynamicperformance,verylowemissions,andthesourceandpoweraretheengine,gascanonly.Itsprincipleissimplythemotorandenginethereasonablearrangementofpoweroutputmachine.Disadvantages:Therearetwosetsofpower,Managementcontrolsystemplustwosetsofdynamic,Complexstructure,Difficult,Thepriceishighandlongdistancespeedisnotfuel-efficient.Pureelectricvehicleiscomposedentirelyofrechargeablebattery(suchaslead-acidbatteries,nickelcadmiumbatteries,nickelhydrogenbatteriesorlithiumionbatteriesprovidepowersourceforcar).Pureelectricvehiclemotorfueltoreplacemachine,lownoise,nopollution,andbytheuseofelectricalenergysingle,electriccontrolsystemofhybridelectricvehicleisgreatlysimplifiedcompared.Reducesthecost,thepricealsocancompensatethebattery.Pureelectricvehicleismainlyusedfortheairport,community,courtsandotherplaces.Disadvantages:onlyincertainrange,themarketissmaller.Themainreasonisbecauseofvariouscategories,theprevailingpriceshigh,lifeisshort,thesizeandweightofthelarge,longchargingtime,seriousshortcomings.Fuelcellvehiclesreferstothehydrogen,methanolasthefuel,thecurrentthroughthechemicalreaction,dependingontheelectricmotordrivenvehicles.Thebatterypoweristhroughthechemicalreactionofhydrogenandoxygen,ratherthanthroughthecombustion,directlyintoelectricalenergy.Thechemicalreactionprocessoffuelcelldoesnotproduceharmfulproducts,thereforethefuelcellvehicleisacarwithoutpollution,energyconversionefficiencyofthefuelcellofhigh2~3timesthantheinternalcombustionengine,sotheuseofenvironmentalprotectionandenergy,fuelcellvehiclesandisanidealvehicle.Householdcarismoreandmore,oilpricesmoreandmoreexpensive,everycarcompanybegantoresearchanddevelopmentofnewenergyvehicles.1.IntroductionCherysince2000wehaveengagedintheresearchanddevelopmentofthenewenergyvehicles,throughmorethantenyearsofindependentinnovation,thenewenergyvehiclesbusinessexperiencedthreeimportantstagesofdevelopment;From2001to2005,thecompanywiththenational863projectforthecarrier,jointtopChineseuniversitiesandresearchinstitutes,undertakeandcompletedanumberofnational863electricvehicleresearchsubject,themajorprojectsinjust3yearstime,completetheISGmoderatehybridandpureelectricvehiclesoftherationaldevelopmentmodel.From2005to2008,approvedbyministryofa"bynationalenergyconservationandenvironmentalprotectionautomotiveengineeringtechnologyresearchcenter",basedonthe...