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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. 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.

4. Carl D. Keith - Wikipedia

   en.wikipedia.org/wiki/Carl_D._Keith

   The initial catalytic converters were installed in cars in the 1975 model year. In 1976, the three-way catalyst was introduced, which, after updates, has been able to eliminate 97% of tailpipe hydrocarbon emissions, 96% of carbon monoxide and 90% of nitrogen oxides produced in automobile engines and those used in light trucks and sport utility ...

5. John J. Mooney - Wikipedia

   en.wikipedia.org/wiki/John_J._Mooney

   [5] Mooney was awarded a total of 17 patents, the latest being one for a catalytic converter for the small two-stroke engines, used in chainsaws, lawn mowers, and leaf blowers. His invention reduced hydrocarbon emissions by as much as 70%, improved fuel efficiency and added up to 40% more power while addressing the pollution of an engine that ...

6. Everything at Old Navy is still 50% off for extended Cyber ...

   www.aol.com/lifestyle/everything-at-old-navy-is...

   Old Navy is 50% off during Cyber Monday. Get sweaters, coats, baby clothing, and jeans all for half price.

7. 'Large number' of Americans' metadata stolen by Chinese ...

   www.aol.com/news/large-number-americans-metadata...

   WASHINGTON (Reuters) -A large number of Americans' metadata has been stolen in the sweeping cyberespionage campaign carried out by a Chinese hacking group dubbed "Salt Typhoon," a senior U.S ...