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  2. What is a catalytic converter and why do people keep ... - AOL

    www.aol.com/catalytic-converter-why-people-keep...

    For the most part, the catalytic converters end up getting sold to recycling companies that strip out the materials to make new catalytic converters. Recycling is far cheaper than relying on new ...

  3. Catalytic converter - Wikipedia

    en.wikipedia.org/wiki/Catalytic_converter

    A three-way catalytic converter on a gasoline-powered 1996 Dodge Ram Simulation of flow inside a 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.

  4. Cerium(III) oxide - Wikipedia

    en.wikipedia.org/wiki/Cerium(III)_oxide

    Cerium oxide is used as a catalytic converter for the minimisation of CO emissions in the exhaust gases from motor vehicles. When there is a shortage of oxygen, cerium(IV) oxide is reduced by carbon monoxide to cerium(III) oxide: 2 CeO 2 + CO → Ce 2 O 3 + CO 2

  5. Vehicle emissions control - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emissions_control

    The new emission standards for 1975 model year, as well as the increase in fuel usage, forced the invention of the catalytic converter for after-treatment of the exhaust gas. This was not possible with existing leaded gasoline, because the lead residue contaminated the platinum catalyst.

  6. Do Hybrids Have Catalytic Converters? - AOL

    www.aol.com/hybrids-catalytic-converters...

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  7. Exhaust system - Wikipedia

    en.wikipedia.org/wiki/Exhaust_system

    It is a U.S. legal requirement to have a catalytic converter. [3] [4] Converters may not be removed from a vehicle that is used only for "off-road" driving in the United States. [5] The main purpose of a catalytic converter on an automobile is to reduce harmful emissions of hydrocarbons, carbon monoxide, and nitrogen oxides into the atmosphere.

  8. Catalytic converters are still getting stolen. Here's what ...

    www.aol.com/news/catalytic-converters-still...

    Catalytic converter thefts are on the rise nationally. Here's why and what someone can do to mitigate their risk. Skip to main content. 24/7 help. For premium support please call: 800-290-4726 ...

  9. Diesel exhaust - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust

    [not verified in body] While total nitrogen oxides from petrol cars have decreased by around 96% through the adoption of exhaust catalytic converters as of 2012, diesel cars still produce nitrogen oxides at a similar level to those bought 15 years earlier under real-world tests; hence, diesel cars emit around 20 times more nitrogen oxides than ...

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