What Is a Catalytic Converter? - CARFAX
https://www.carfax.com/blog/catalytic-converters
WEBSep 22, 2022 · A catalytic converter is a key emissions control device. A car’s exhaust contains several harmful gases, including carbon monoxide (CO), nitrogen oxides (NO x ), and volatile organic compounds (VOCs)/hydrocarbons. A catalytic converter uses palladium, rhodium, and platinum to create a chemical reaction that reduces those gases.
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