J v d Akker & R Stevenson, Onboard carbon capture and decarbonising shipping, New Energy World, November 2024,p 19

In the marine world, although emission reduction is likely by using alternative fuels such as biofuels, ammonia or hydrogen, none of them is currently in sufficient supply. Hence, onboard carbon capture represents a temporary solution, and further development is needed together with transporting and storing the captured CO2.