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A comment on The Waymo World Model: A New Frontier for Autonomous Driving Simulation. Parent comment

Re:The Waymo World Model: A New Frontier for Autonomous Driv... by xnx on Friday February 06, 2026 @04:37PM (#46918477)
> I don't think individual vehicles can ever achieve the same envirnmental economies of scale as trains.

I think you'd be surprised. Look at the difference in cost per passenger mile.

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Re:The Waymo World Model: A New Frontier for Autonomous Driv... by Mawr on Friday February 06, 2026 @06:28PM (#46919591)
I'm looking. Comes out unfavorably to cars. Obviously.

I guess you're comparing the total cost of trains vs a subset of costs of cars, as is usual. Road use and pollution are free externalities after all.

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