For Nitrogen Oxides (NOx) we have terms and definitions in 4 topics. The topics are Air Quality, Energy, Global Warming and Sanitation.

Nitrogen Oxides (Nox) (Air Quality)

Gases formed in great part from atmospheric nitrogen and oxygen when combustion takes place under conditions of high temperature and high pressure; considered a major air pollutant and precursor of ozone

Nitrogen Oxides (Nox) (Energy)

Compounds of nitrogen and oxygen produced by the burning of fossil fuels.

Nitrogen Oxides (Nox) (Global Warming)

Compounds of nitrogen and oxygen produced by the burning of fossil fuels.

Nitrogen Oxides (Nox) (Sanitation)

(1) A collective term for chemical compounds containing nitrogen and oxygen. The two most common oxides of nitrogen found in the atmosphere are nitric oxide (NO) and nitrogen dioxide (N2). Nitrogen oxides are typically created during combustion processes. (2) Chemical compounds containing nitrogen and oxygen which react with volatile organic compounds, in the presence of heat and sunlight to form ozone. It is also a major precursor to acid rain. Nationwide, approximately 45 percent of NOX emissions come from mobile sources, 35 percent from electric utilities, and 15 percent from industrial fuel combustion.

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