EmissionsControls
Theburningofgasolineinyour
vehicle’sengineproducesseveralby-
products.Someofthesearecarbon
monoxide(CO),oxidesofnitrogen
(NOx),andhydrocarbons(HC).
Gasolineevaporatingfromthetank
alsoproduceshydrocarbons.Con-
trollingtheproductionofNOx,CO,
andHCisimportanttotheenviron-
ment.Undercertainconditionsof
sunlightandclimate,NOxandHC
reacttoformphotochemical‘‘smog.’’
Carbonmonoxidedoesnotcontri-
butetosmogcreation,butitisa
poisonousgas.
TheCleanAirAct
intakemanifold.Theyarethen
TheUnitedStatesCleanAirAct
setsstandardsforautomobile
emissions.Italsorequiresthat
*
drawnintotheengineandburned.
EvaporativeEmissionsControl
System
automobilemanufacturersexplainto
ownershowtheiremissionscontrols
workandwhattodotomaintain
them.Thissectionsummarizeshow
theemissionscontrolswork.
Asgasolineevaporatesinthefuel
tank,anevaporativeemissions
controlcanisterfilledwithcharcoal
adsorbsthevapor.Itisstoredinthis
canisterwhiletheengineisoff.After
theengineisstartedandwarmedup,
thevaporisdrawnintotheengine
andburnedduringdriving.
*
InCanada,Hondavehiclescomply
withtheCanadianemission
requirements,asspecifiedinan
agreementwithEnvironment
Canada,atthetimetheyare
manufactured.
OnboardRefuelingVapor
Recovery
Theonboardrefuelingvapor
recovery(ORVR)systemcaptures
thefuelvaporsduringrefueling.The
vaporsareadsorbedinacanister
filledwithactivatedcarbon.While
driving,thefuelvaporsaredrawn
intotheengineandburnedoff.
CrankcaseEmissionsControl
System
Yourvehiclehasapositive
crankcaseventilationsystem.This
keepsgassesthatbuildupinthe
engine’scrankcasefromgoinginto
theatmosphere.Thepositive
crankcaseventilationvalveroutes
themfromthecrankcasebacktothe
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Product Specification
Categories | Honda Civic Manuals, Honda Manuals |
---|---|
Tags | Hybrid |
Model Year | 2010 |
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Document File Type | |
Copyright | Attribution Non-commercial |