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1、ThetopicofmypresentationistheElectricvehicles.iwillusemaybe5minutesormoretimetointroduceitfromthefollowingparts.電動(dòng)汽車介紹：thefirstquestionisWhat'stheElectricVehicles?Briefly,Theelectricvehicleisthevehiclethatmakesbatteriesastheenergysource.Vehiclesnotonlyincludecars,butalsomotorcyclesa
2、ndotherones.NowthereareelectricbusesrunninginChangchun,suchasNO.160.ThedevelopmentofelectricvehicleinChinabeganin2001.Aftertenyears,China'selectriccarhasbeguntoenterthestageofindustrializationfromthestageofresearchanddevelopment.1、Japanattachesgreatimportancetothedevelopmentofelectr
3、icvehicles.Fromthesituationofthewholeworld,Japanisoneofthefastestdevelopingcountriesinthedevelopmentofelectricvehicletechnology?2、America'sautocompaniesintheelectriccarindustryisinferiortoalotofpeersfromJapan.HybridelectricvehiclesfromJapanhavebeenoccupiedadominantpositioninthemarke
4、toftheUnitedStates.3、TheamountoftheelectriccarsaleinNorwayreaches10000in2012.Butforapopulationofonly5000000ofNorway,thishasattractedtheattentionoftheworld?分類：AccordingtotheDrivingModeElectricvehiclescanbebroadlydividedintothreemaintypes.ThefirstoneisBladeElectricVehicle(BEV).Itisdri
5、venbyelectricmotors?Ithastheadvantageofmaturetechnology.AslongasthereisPowersupply,itcanbecharged?HoweverthebatteriesareexpensiveandElectricvehicleindustryhasnotformedtheeconomicscale,sothepurchasepriceisnotsocheapAtthesametime,chargingtimeisalsolonger.ThesecondoneisPuginHybridElect
6、ricVehicle(PHEV).Itreferstoacarthatcanobtainpowerfromaconsumablefuelorarechargeablestoragedevice?Theinternalcombustionenginecansolvetheproblemofairconditioner,warmingandremovingcreamwithhighenergyconsumptionwhichcannotbesolvedbytheBladeElectricVehicle?Inthebustlingcity,wecanturnofft
7、heinternalcombustionenginewhilethebatteryisdrivenindividuallytoachievezeroemissions.Butwhenwedrivelongwithahigh-speed,itisunabletocompletethefunctionofsavingfuel.ThelastoneisFuelcellElectricvehicle(FCEV).Itusesfuelcellsasthepowersupply.Becausethechemicalreactionprocessdoesnotproduce
8、harmfulproducts,sot
