European Parliament 21 September 2012, Written question E-008329/12 Marc Tarabella (S&D) to the Commission. European ranking of congested cities

Question for written answer E-008329/12 to the Commission Marc Tarabella (S&D) (21 September 2012) Subject: European ranking of congested cities European cities are the main drivers of economic growth, but certain vehicles are still very polluting and lead to traffic jams, despite efforts to reverse the trend.