An other option BEV busses give is hybrid trolleys, that way once a popular line gets fixed you can add overhead lines to it and later upgrade it to tram more easily.
It also means charge is a matter of having overhead lines which can be added as hoc (as overhead docking stations) to end-of-line stops, letting the bus juice up for some time before it runs the route back.
It also means charge is a matter of having overhead lines which can be added as hoc (as overhead docking stations) to end-of-line stops, letting the bus juice up for some time before it runs the route back.