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A "tracked" system for long-haul that has the sort of power draw capability you're talking about is potentially viable. It runs into maintenance and related issues (e.g. a short would shut off a large area) but it's potentially workable.

What a riot during a black out though, eh? I'll smile and wave from my vegetable oil fired F-250.

And how about that 35,000 volt third rail to make things interesting?