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nitrogen oxides

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nitrogen oxides [¦nī·trə·jən ′äk‚sīdz]
(inorganic chemistry)
NOxChemical compounds of nitrogen and oxygen; produced primarily from the combustion of fossil fuels, they contribute to the formation of ground-level ozone.


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Nitrogen oxides in the atmosphere, which are produced by lightning, biomass burning, and soil outgassing, are converted into atmospheric nitrate through oxidation reactions.
EGR recycles exhaust emissions into the engine to help reduce nitrogen oxides during the high temperature combustion process in engines.
EPA rule that took effect in January 2006 requires manufacturers to reduce emissions of hydrocarbons and nitrogen oxides by 60%.
 
 
 
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