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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. Secondary air injection - Wikipedia

    en.wikipedia.org/wiki/Secondary_air_injection

    When the catalytic converter is cold, air injected at the upstream point burns with the deliberately rich exhaust so as to bring the catalyst up to operating temperature quickly. Once the catalyst is warm, air is injected to the downstream location — the catalytic converter itself — to assist with catalysis of unburned hydrocarbons.

  4. Catalyst poisoning - Wikipedia

    en.wikipedia.org/wiki/Catalyst_poisoning

    In catalytic converters used on automobiles, the combustion of leaded gasoline produces elemental lead, lead(II) oxide, lead(II) chloride, and lead(II) bromide. Lead alloys with the metals present in the catalyst, while lead oxides and halides coat the catalyst's surfaces, reducing the converter's ability to reduce NOx emissions.

  5. Indianapolis catalytic converter thefts are on the rise. What ...

    www.aol.com/news/catalytic-converter-theft...

    Catalytic converter thefts have increased 1,000% in the past two years, the National Insurance Crime Bureau said. Here's what Hoosiers can do about it. Indianapolis catalytic converter thefts are ...

  6. Monolith (catalyst support) - Wikipedia

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

    High surface area facilitates catalytic reaction or filtration. The open spaces in the cross-sectional area are 72 to 87% of the frontal area, so resistance to the flow of gases through the holes is low, which minimizes energy consumed forcing gases through the structure. The monolith is a substrate that supports a catalyst.

  7. Tuned exhaust - Wikipedia

    en.wikipedia.org/wiki/Tuned_exhaust

    However, the gases tend to cool as they pass through longer pipes, which reduces the effectiveness of the catalytic converter. In a turbocharged engine, the key factor in the length of the exhaust pipes is providing evenly-spaced pressure pulses to the turbine of the turbocharger.

  8. Yugo - Wikipedia

    en.wikipedia.org/wiki/Yugo

    YugoCars had intended to fit their Yugo 45 with the 903-cc, 45-horsepower four-cylinder engine with a three-way catalytic converter and oxygen sensor for emissions control. Predicted gas mileage was 42 to 45 miles per US gallon (5.6 to 5.2 L/100 km; 50 to 54 mpg ‑imp) at 70 miles per hour (110 km/h). In late 1983, Zastava added a version ...

  9. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

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