The electrical consumption of the train is most likely not its largest externality-source. The largest cost might be wasted human life-hours, which used to be m

The electrical consumption of the train is most likely not its largest externality-source. The largest cost might be wasted human life-hours, which used to be more or less correctly internalized but now (due to these flight bans) is not. Your second paragraph is already known to me and consistent with my comment - not sure what you're aiming to communicate.