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  2. 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.

  3. Lean-burn - Wikipedia

    en.wikipedia.org/wiki/Lean-burn

    The main drawback of lean-burning is that a complex catalytic converter system is required to reduce NOx emissions. Lean-burn engines do not work well with modern 3-way catalytic converter —which require a pollutant balance at the exhaust port so they can carry out oxidation and reduction reactions—so most modern engines tend to cruise and ...

  4. Exhaust system - Wikipedia

    en.wikipedia.org/wiki/Exhaust_system

    They work by transforming the polluted exhaust components into water and carbon dioxide. [6] There is a light-off temperature from which catalytic converters start to be efficient and work properly. [7] Catalytic converters can cause back pressure if clogged or not designed for the required flow rate. In these situations, upgrading or removal ...

  5. Local law enforcement working to crack down on catalytic ...

    www.aol.com/news/local-law-enforcement-working...

    Law enforcement agencies across San Diego County are continuing to fight against the rise in catalytic converter thefts. Skip to main content. News. Need help? Call us! 800-290-4726. Login / Join ...

  6. Selective catalytic reduction - Wikipedia

    en.wikipedia.org/wiki/Selective_catalytic_reduction

    Catalytic converter, which also catalyzes NO x conversion but does not use urea or ammonia; Diesel exhaust fluid (DEF) or AdBlue; Exhaust gas recirculation versus selective catalytic reduction; Environmental engineering; Selective non-catalytic reduction (SNCR) NOx adsorber (LNT) Vehicle emissions control

  7. NOx adsorber - Wikipedia

    en.wikipedia.org/wiki/NOx_adsorber

    The 3-way catalytic converter that has been successfully used since the 1980s on stoichiometric engines (such as fueled by petrol, LPG, CNG, or ethanol) will not function at O 2 levels in excess of 1.0%, and does not function well at levels above 0.5%.

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