[marktwain]

“Railroads, even though they use diesel fuel, are more efficient, per freight mile, than 18 wheelers.”

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True, but they are far less efficient than large ships.

I recall a class in mine valuation some decades ago. It turned out that it was cheaper to ship bulk cargo from Japan to Los Angeles than it was to ship it by rail from Salt Lake City.

[Cronos]

and I read something about these massive container cargo ships and how cheap they turn out to be — can’t remember the link to that, but it was fascinating.