From Friday 27th July, the Grenoble-Alpes region started the first day of its emergency traffic restriction (Pic Pollution). On Friday 27th July it has reduced speed limits on certain roads. 

Two of London's local authorities, Islington and Hackney will have a Zero Emission Zone from July 2018

From 1 August 2018 foreign vehicles have to be registered if they want to enter the low emission zone in Brussels. 

Groningen in the Netherlands has transformed its city center into a large car-free zone. The setting prevents motorised vehicles from passing through the heart of the city.