Samsung Develops Engineless, Fuel Cell-Powered LNG Carrier.
'The design features a solid oxide fuel cell (SOFC) powerplant...'
'The fuel cell-powered LNG carrier does not require a marine diesel engine for propulsion, and will derive its motive power solely from an SOFC system.'
(The Maritime Executive, U S A) >

https://maritime-executive.com/article/samsung-develops-engineless-fuel-cell-powered-lng-carrier