aequus, equal, and nox, night), a term used to express either the moment at which, or the point at which, the sun apparently crosses the celestial equator.
exothermic oxidation, which can result in the formation of toxic nitrous gases (NOx ).
NOx damages and irritates lungs, causing bronchitis and pneumonia.
In fact the Lexus doesn't produce any NOx which is an incredible achievement.
Gasoline vehicles are better for human health with their lower NOx and particle emissions.