For lightweight passenger cars it is okay. Freight is a lot more mass to get mov... | Hacker News

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		bluGill on Jan 31, 2022 \| parent \| context \| favorite \| on: Autonomous battery-powered rail cars For lightweight passenger cars it is okay. Freight is a lot more mass to get moving. Is also means you have a lot more expensive infrastructure costs as the relatively low voltages means more substations

dhosek on Jan 31, 2022 [–]

I guess what I'm thinking is this battery-powered system augmented by third-rail to improve range/time of operation.

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