ScienceDaily: Particulate matter from gasoline engines is harmful to our airways, regardless of whether the engines are a bit older or comply with recent EU standards. Fine dust particles allow pathogens to enter the lungs easier. Researchers at the University of Bern and the Paul Scherrer Institute PSI have shown this conducting a realistic laboratory experiment. According to the latest report from the World Health Organization (WHO), 7 million worldwide died early of the consequences of air pollution in 2012....