New EU project UVAR Box supports city authorities to help road users know about access regulations.

Leeds (UK) has stopped work on their low emission zone (clean air zone) due to improvements in air quality, as the LEZ may now not be needed. 

From 1 November 2020 diesel cars have to meet Euro 4 standard in Amsterdam's low emission zone. 

Heavy goods vehicles and light commercial vehicles are affected by the ZFE (Zone à faibles émissions).