Question of the Day – Thursday November 30, 2017

Question:  Diesel exhaust is made up of three fractions: solid, condensed (or liquid), and gaseous fractions. What is the most prevalent element in the solid diesel exhaust particle fraction?

Answer: Carbon is the most prevalent element in the solid diesel exhaust particle fraction. (Steiner S. et. al. Diesel exhaust: current knowledge of adverse effects and underlying cellular mechanisms. 2016 Arch Toxicol 90:1541-1553)