New United Nations Paper Finds Role of Diesel In Economic Development Large . . . And Contribution of Road Vehicles to Particulate Matter To Be Small & Declining in Europe & U.S.

WASHINGTON, May 22, 2014 /PRNewswire-USNewswire/ -- A new paper issued by the United Nations Economic Commission for Europe (UNECE) concluded that diesel road vehicles were the cause of only a small percentage of particulate matter – PM 2.5 and PM10 - in Europe and the United...