Brussels, 23/06/2006 (Agence Europe) - The appropriate measures to improve air quality in Europe should be defined, implemented, applied and monitored in the framework of a dialogue with regional and local authorities and with EU citizens. It is, then, at local and regional levels that the measures proposed to limit the environmental impact of vehicle traffic must be put into practice. Encouraging the use of environmentally friendly vehicles is in line with regional and local authorities'...