Why don’t we have Nuclear or Hydrogen powered cargo ships?

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As nuclear is already used on aircraft carriers, and with a major cargo ship not having a large crew including guests so it can be properly scrutinized and managed by engineers, why hasn’t this technology ever carried over for commercial operators?

Similarly for hydrogen, why (or are?) ship builders not trying to build hydrogen powered engines? Seeing the massive size of engines (and fuel) they have, could they make super-sized fuel cells and on-board synthesizing to no longer be reliant on gas?

In: Engineering

23 Answers

Anonymous 0 Comments

Because their expensive and cargo ships don’t need the ability to stay out at sea for potentially years at a time. They have to dock to unload cargo pretty regularly and can top up on fuel when doing so.

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