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  2. 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 ...

  3. 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.

  4. 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.

  5. Catalytic converter theft is a huge problem. Will legislation ...

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

    “By some studies, catalytic converter theft has increased some tenfold” in recent years, the governor said. Catalytic converter theft is a huge problem. Will legislation signed by Gavin Newsom ...

  6. Selective catalytic reduction - Wikipedia

    en.wikipedia.org/wiki/Selective_catalytic_reduction

    Commercial selective catalytic reduction systems are typically found on large utility boilers, industrial boilers, and municipal solid waste boilers and have been shown to lower NO x emissions by 70-95%. [1] Applications include diesel engines, such as those found on large ships, diesel locomotives, gas turbines, and automobiles.

  7. The problem with leaf blowers, and what you can do instead - AOL

    www.aol.com/news/problem-leaf-blowers-instead...

    Gas-powered leaf blowers can register as high as 100 decibels at the source (the levels decrease with distance). Most electric models range from 59 to 70 decibels.

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