https://www.ratp.fr/decouvrir/coulisses/au-quotidien/des-solutions-climatiques-adaptees-a-ses-differents-modes-de https://www.ratp.fr/decouvrir/coulisses/au-quo

https://www.ratp.fr/decouvrir/coulisses/au-quotidien/des-solutions-climatiques-adaptees-a-ses-differents-modes-de https://www.ratp.fr/decouvrir/coulisses/au-quotidien/des-sol... In 2020, 5% of bus in Paris had AC. In 2026, they aim for 75%. And a 100% rollout by 2035. Even subway lines don't all have AC.