考研英语阅读例题：highly charged motoring负重前行

《考研英语阅读例题：highly charged motoring负重前行》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、微信扫描二维码关注启航考研（qh_kaoyan）Highlychargedmotoring负重前行[2010.10.07]TheEconomistElectriccarshavecomeandgoneovertheyears.Usuallyanoilcrisishasgiventhemaboost;thistimeitisacombinationofoilprices,fearsaboutenergysecurityandclimatechange.Nowthebigcarfirmsarepushingall-electriccarsforthemassmarket.A

2、ttheParisMotorShowthisweektheyunveiledelectricvehiclesofallshapesandsizes.Somegoonsaleinthenextfewmonths.Thisrepresentsahugeleapforwardfortheindustry,buttheshowroompatterwillbemisleading,fortworeasons.First,althoughelectriccarsarenippy,stylishandaseasytodriveasconventionalvehicles,electr

3、icmotoringhassomedistinctdisadvantages.Second,theyarenotreallyasgreenastheirpromotersclaim.Theideaofrecharginganelectriccarathomeforonlyafewdollarsandneveragainhavingtovisitafillingstationisenticing.Formostjourneys,thelimitationsofbatterycapacityareirrelevant.Assalesmenwillbequicktopoint

4、out,99%ofthetimepeopledoonlyshortruns—thedailycommute,tripstotheshopsandtopickupthechildren—allofwhicharewellwithintherangeofmostelectriccars.Butthatfinal1%ofjourneyspresumablyincludesthesummerholidaywhenpeoplepileintothecarandheadoffforthecoast.Hoppingonthetrainladenwithsuitcasesandchil

5、drenmaynotbeanattractivealternative.Andeventherelativelyshortrangesthatsalesmenadvertisemaybeoptimistic.Onacold,wetnightwhenlotsofelectricalsystemsarerunningandthevehicleisladenwithpassengersandluggage,acarmaylosearoundathirdofitssupposedrange.Andwhatofelectriccars’environmentalcredentia

6、ls?Electriccarsarebeinghugelysubsidisedbytaxpayers—£5,000($7,940)inBritainandupto$7,500inAmerica—onthegroundthattheyarezero-emissionvehicles.Makersofelectriccarsclaimthatthisisanefficientwaytoreducegreenhouse-gasemissions.Roadtransportaccountsforatenthofsuchemissionsworldwide;thesortsofb

7、iofuelscurrentlyinusearenotmuchgreenerthanpetrol;andnext-generationbiofuelsareprovingslowtocometothemarket.Althoughelectriccarsmaynotthemselvesproducegreenhousegases,generatingtheelectricitytheyusedoes.Howgreentheyaredependsonthefuelmixatthepowerplantsinthecountryinwhicht