Diesel is worse than gas when comes to Smog

BERKELY, Calif., Oct. 23 (UPI) — Diesel exhaust contributes more to a component of smog pollution than exhaust from gasoline-fueled cars, a California study found. Researchers at the University of California, Berkeley, say diesel-powered vehicles are a bigger source of secondary organic aerosol, a major component of smog. Diesel exhaust is responsible for 65 percent […]