Stock Photo - German Chancellor Angela Merkel (2nd l) welcomes the representatives of the federal government, the state governments and the municipalities at a meeting of the German chancellor with representatives of cities with high nitrogen oxide emissions by Diesel cars at the federal chancellery in Berlin, Germany, 4 September 2017. Main topic of the meeting are local measures to reduce air pollution by Diesel cars in order to prevent driving prohibitions enforced by the court. Examples of these measures are the usage of buses with alternative propulsions and a better local public transport. Photo: Bernd von Jutrczenka/dpa. - Berlin/Berlin/Germany