ACaliforniafamilydrivesacarthatcouldhelpprotecttheenvironment．

WhenJonandSandygotothestoreortotheirdaughters’soccergamestheydriveinhigh-techstyle．Theydrivea$1millionfuel-cell-poweredcar．Itmaybetheworld’smostexpensivecarandoneofthemostenvironmentallyfriendlycars．

TheFCXisthefirstfuel-cell-poweredcartobeusedbyafamilyanywhereintheworld．TheFCXuseshydrogenandoxygenforfuel．

Carmakershavebeenworkingtodevelopvehiclesthatarebetterfortheenvironment．Theyaredevelopingcarsthatusefuelotherthangasoline．

Whatisfueltechnology?

Fuelcelltechnologyworksbychangingthechemicalshydrogenandoxygenintowater．Thisprocessproduceselectricityandwatervaporwhichcomesoutoftheexhaustpipe．Mostcarsreleasedangerousgasessuchascarbonmonoxide(一氧化碳)andcarbondioxide．Manyscientistssaythesegasesaremajorcontributorstoglobalwarming．

“TheFCXisdrivenjustlikeanyothervehicleontheroadbutwithoutthegaseswhichpollutetheenvironment”scientistssay．

Fuelcelltechnologyhasbeenaroundsincethe1800sbutscientistshaveyetbeentoperfectit．Theysayitmaytakeyearsbeforethetechnologyisreadyforwidespreaduse．

Creatingenvironmentallyfriendlycars

Anotherearth-friendlycarisalreadyonthemarket．Hybridcarsusebothgasolineandanelectricmotor．Theyarebecomingmorepopularwithcustomersbecausetheycutpollutionandimprovefuelefficiency．

A．

Itmaybethemostexpensivecarintheworld．

B．

Itisoneofthemostenvironmentallyfriendlycars．

C．

Itreleasesdangerousgasestopollutetheair．

D．

Ituseshydrogenandoxygenforfuelotherthangasoline．