Ecological Sunday in Rome, 24 March car stop in the Green Belt - World Motors. The other ecological Sundays of the 2023-2024 season, five in total, took place on 19 November, 3 December and 14 January and 25 February.

The objective is to prevent and contain air pollution, to contribute to raising awareness among citizens on the issue of air quality and responsible use of energy sources. The exceptions to the provision include: electric or hybrid vehicles and single-fuel methane or LPG vehicles.