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2. NOx adsorber - Wikipedia

   en.wikipedia.org/wiki/NOx_adsorber

   Lean burn engines, particularly diesels, present a special challenge to emission control system designers because of the relatively high levels of O 2 (atmospheric oxygen) in the exhaust gas. 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 ...

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. 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 ...

5. 2020–2022 catalytic converter theft ring - Wikipedia

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

   A catalytic converter is a typically oblong-shaped vehicle emissions control device that makes up part of an automobile's exhaust system. [1] The catalytic converter accelerates a chemical reaction using heat and precious metals contained within the device, such as platinum, rhodium, and palladium (PRP), to transform toxic engine exhaust gases ...

6. 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.

7. Dying To Be Free - The Huffington Post

   projects.huffingtonpost.com/dying-to-be-free...

   The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.