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The 18 pages that link to Catalytic converter, each with the reason it gives.

• Air pollutionRelated: It reduces several pollutants released by gasoline-powered vehicles.

• CatalysisBroader topic: It applies catalytic reactions to reduce pollutants in engine exhaust.

• Carbon monoxideRelated: Its oxidation catalyst converts carbon monoxide in vehicle exhaust into carbon dioxide.

• Rare-earth elementRelated: Cerium oxide helps store and release oxygen in many automotive catalyst systems.

• PlatinumRelated: Platinum helps catalyze the reactions that reduce vehicle exhaust pollutants.

• Catalytic cycleRelated: Its catalyst repeatedly transforms exhaust pollutants at the surface.

• Photochemical smogBroader topic: Three-way converters reduce nitrogen oxides and hydrocarbons before they enter the air.

• VanadiumRelated: Vanadium compounds serve as catalysts in some exhaust-treatment systems.

• Air pollution controlBroader topic: It controls several pollutants in motor-vehicle exhaust.

• CatalystBroader topic: It applies catalysis to reduce pollutants from combustion engines.

• Vehicle emissionsRelated: It reduces carbon monoxide, hydrocarbons, and nitrogen oxides in gasoline-engine exhaust.

• Fuel injectionRelated: Accurate fuel metering helps maintain exhaust conditions needed for effective catalyst operation.

• SmogRelated: It reduces nitrogen oxides and hydrocarbons that feed photochemical smog.

• TetraethylleadRelated: Lead deposits poison catalytic converters, helping make leaded gasoline incompatible with their use.

• Group 10 elementRelated: Platinum, palladium, and rhodium catalysts in converters make group 10 metals economically significant.

• Group 9 elementRelated: Rhodium is used to reduce nitrogen oxides in many automotive catalytic converters.

• Petrol engineRelated: Petrol vehicles use it to reduce carbon monoxide, hydrocarbons, and nitrogen oxides.

• Platinum groupRelated: Platinum, palladium, and rhodium catalyze the key exhaust-cleanup reactions.