A majority of French people oppose the deployment of EPZs, which define a perimeter prohibited to the most polluting cars. In total, 86% of individuals and 79% of professionals who answered the twenty questions asked by the senators say they are opposed.

"This is a technocratic measure that also creates a real break in equal access to the city center depending on whether you are wealthy or not," reads one of the testimonies. "We really don't want to create another social bomb when there are already some," commented Mr. Tabarot.