This data comes from a survey that explicitly asked about how people changed habits [1] and the CO2 figure is "Based on the journeys shifted from cars to buses

This data comes from a survey that explicitly asked about how people changed habits [1] and the CO2 figure is "Based on the journeys shifted from cars to buses and trains" [2] not total usage. [1] https://www.vdv.de/bilanz-9-euro-ticket.aspx https://www.vdv.de/bilanz-9-euro-ticket.aspx [2] https://www.vdv.de/presse.aspx?id=df893fc7-1759-497b-9488-ce4631b9b01c&mode=detail&coriander=V3_1a0fa46f-e58e-ab5a-0cde-ddc8019617b8 https://www.vdv.de/presse.aspx?id=df893fc7-1759-497b-9488-ce...