Cars and TransportationSmart City ExpoTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoCars and Transportation12/03/2019December 3, 2019The Smart City Expo World Congress has been held in Barcelona. The goal was to change urban mobility while improving quality of life and reducing the environmental footprint - with concepts that combine technical, economic and social innovation.https://p.dw.com/p/3U897Advertisement