It's discussed elsewhere in the thread, but overehead wires seem appealing: * They solve the power availability problem * They reduce the need for batteries, reducing cost and waste from manufacturing and disposal. * They could be used for electrifying other vehicles like buses * Their ROI seems especially high in dense cities, especially NY: One overhead wire serves all the traffic on the road below. Plus, dense cit…
[1] https://nyc.streetsblog.org/2021/06/03/the-mtas-new-electric...