Clement J Cros et al.
Journal of the Air & Waste Management Association (1995), 65(8), 937-947 (2015-07-28)
Nitrogen oxides (NOx) emitted from combustion processes have elevated concentrations in large urban areas. They cause a range of adverse health effects, acid rain, and are precursors to formation of other atmospheric pollutants, such as ozone, peroxyacetyl nitrate, and inorganic