Comment by defrost

For pragmatic reasons methanol is more probable: https://methanol.org/what-fuels-shipping

and that production of hydrogen (as a base for either ammonia or methanol production) will likely come via electrical cracking .. but it might also come as a result of atmospheric carbon sequestration in ultramafic rock: https://phys.org/news/2026-09-orange-hydrogen-western-austra...