Think mountain passes or similarly difficult terrain. Or lower volume cargo trains, like into and out of industrial areas in the north. Catenary networks not on

Think mountain passes or similarly difficult terrain. Or lower volume cargo trains, like into and out of industrial areas in the north. Catenary networks not only take a lot of money to set up, the maintenance is huge - especially in rough terrain or over long distances! ed: Not saying that all trains should be hydrogen, there just are use cases for some when we're talking zero-emission.