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  2. Catalytic converter - Wikipedia

    en.wikipedia.org/wiki/Catalytic_converter

    A catalytic converter is an exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction. Catalytic converters are usually used with internal combustion engines fueled by gasoline or diesel, including lean-burn engines, and ...

  3. 2020–2022 catalytic converter theft ring - Wikipedia

    en.wikipedia.org/wiki/2020–2022_catalytic...

    2020–2022 catalytic converter theft ring. From 2020 to 2022, an organized criminal group stole and then resold catalytic converters through the United States. The interstate ring is believed to have generated $545 million, with the majority earned through the DG Auto Parts corporation.

  4. Catalysis - Wikipedia

    en.wikipedia.org/wiki/Catalysis

    Catalysis. An air filter that uses a low-temperature oxidation catalyst to convert carbon monoxide to less toxic carbon dioxide at room temperature. It can also remove formaldehyde from the air. Catalysis ( / kəˈtæləsɪs /) is the increase in rate of a chemical reaction due to an added substance known as a catalyst[ 1][ 2] ( / ˈkætəlɪst

  5. Vehicle emissions control - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emissions_control

    The catalytic converter is a device placed in the exhaust pipe, which converts hydrocarbons, carbon monoxide, and NO x into less harmful gases by using a combination of platinum, palladium and rhodium as catalysts. [16] There are two types of catalytic converter, a two-way and a three-way converter.

  6. Monolith (catalyst support) - Wikipedia

    en.wikipedia.org/wiki/Monolith_(catalyst_support)

    Monolithic catalyst supports are extruded structures that are the core of many catalytic converters, [1] most diesel particulate filters, and some catalytic reactors. Most catalytic converters are used for vehicle emissions control. Stationary catalytic converters can reduce air pollution from fossil fuel power stations .

  7. Vehicle emission standard - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emission_standard

    The ECE 15/05 norms (also known as the Luxemburg accord, strict enough to essentially require catalytic converters) began taking effect gradually: the initial step applied to cars of over 2000 cc in two stages, in October 1988 and October 1989. [2] There followed cars between 1.4 and 2.0 liters, in October 1991 and then October 1993.

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