Just taking a wild guess, but I'd guess it was lead acid batteries. The big downsides of them are their weight, which isn't as much of an issue with freight rail, and the spill potential, which I hope someone would manage.
But they're extremely well understood and proven.
Michael T. Bacon, Ph.D. /
npub1yk…h7nmx
2024-07-28 19:59:01
in reply to nevent1q…d87n
Author Public Key
npub1ykp7v5r5nrgt9da2c40xn6e8dznjkh7pr937zn66lr42x8p2ua6q6h7nmxPublished at
2024-07-28 19:59:01Event JSON
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