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> Boats pollute massively and it’s a shame considering that water is a much more efficient medium of transportation thanks to buoyancy.

It’s a good thing people don’t use container ships to commute every day, then…

Seriously, comparing the effect of one car to that of one ship is not even remotely useful. Cars would be much better if they were used by more than one person on average. At which point we could even scale them up and operate them among fixed, predictable routes at fixes, predictable times.

Anyway, no, they really are not making your point. Comparing the emissions of the global shipping fleet to that of all the cars used to commute every day tells a lot about where efficiency can be found. Sure, some shipping is frivolous, but then a single person (or even two people) commuting in a light truck is beyond stupid on every level.



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