I've been noticing this more and more, there's an insistence that pointed economic or environmental criticisms of some consumption habit, usually almost exclusively partaken by the upper middle class and wealthier people, must actually secretly be a purely cultural critique. I'm sure these guys work for Exxon or some shit, lmao.
It's not even a cruise ship specific thing since you would also need some new tech for international shipping to work at all. But if there was somehow a surplus of renewable electricity then green hydrogen could be cheaper than oil
Yeah the solutions I have seen proposed for shipping are using hydrogen, ammonia, wind, or nuclear. Hydrogen and ammonia need to be specified to be produced with clean energy. Wind takes up more space and uses more labor I think. And nuclear isn't gonna work cause no offense to the nuclear fans but I think 5,000 floating reactors will probably result in a couple of issues. No matter what, clean shipping is going to be more expensive for at least a few decades compared to now because of the huge "fuck the future" discount oil gets.
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