for now, only the top travel routes within Germany are supported
only applicable for routes of >3.5h by train
excluded are no-flight routes (FRA-MUC, DUS-FRA, FRA-HAJ, FRA-NUE, MUC-NUE, FRA-STR, MUC-STR, ZRH-BSL, BSL-STR, DUS-HAM, FRA-HAM, MUC-ZRH, STR-ZRH)
Taking the train one way saves up to 160kg CO₂.
This route travelled by train grants you a cash reward of 50 EUR.
If you take the train both ways, you save around 320kg CO2e and earn 100 EUR.