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why is fossil fuel still used?
(piefed.social)
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this post was submitted on 10 Dec 2025
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No Stupid Questions
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We can't replace it fully.
We can replace it with cars. We can replace it with trains as well, but electrified track is more expensive than just plopping a diesel engine there and filling her up. Track for that is just steel+concrete and rocks and stuff.
We can not replace it with air planes, helicopters, rockets. At all. We could reduce air travel and stuff like fighter jets.
We can also not replace it for cargo ships. And that's pretty bad news. Luckily ships are crazy efficient, so the actual CO2 and other pollution per ton and kilometer is very very low. If you get a delivery, that delivery comes in a fossil fuel truck to your doorstep, that truck will emit more CO2 than the ship will, going either from china to Rotterdam or the US westcoast. And also global transportation is probably more than necessary.
Anyway, the big problem we can solve are cars and planes.
There are also a bunch of chemical and industrial processes that need coal. Fertilizer and steel are two big ones.
Cargo ships could be replaced with nuclear. It would also be a significant gain as they are a significant source of pollution beyond CO2.
You are correct.
Agriculture, shipping, and power generation together dwarf the petroleum used by road vehicles.