Some Truth about Oil Shales......

[Rotobeast]

I wonder why we've never used mag-lev technology in underground tubes, to ship freight ?
I know Musk is pushing the hyper-loop, but I'd think we'd at least be running freight tunnels from docks/mines to distribution centers.
There's probably too much upkeep involved with the tech.
I haven't read on it, for a while.
I need to revisit it.


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