Vehicle technology: Vehicle emissions rules – Oklahoma RegSenseState InfoFleet SafetyMobile Emission SourcesBest ResultsAir ProgramsEnvironmentalAir QualityVehicle TechnologyVehicle TechnologyOklahomaEnglishFocus AreaTransportation
Oklahoma has not adopted California’s heavy-duty vehicle emission regulations under Section 177 of the Clean Air Act (42 U.S.C. 7507).CitationsNone['Vehicle Technology', 'Air Programs']['Mobile Emission Sources', 'Vehicle Technology']