https://www.cruisemummy.co.uk/lng-cruise-ships/ https://www.cruisemummy.co.uk/lng-cruise-ships/ This lists 21 out of ~300 total cruise ships are LNG. This say

https://www.cruisemummy.co.uk/lng-cruise-ships/ https://www.cruisemummy.co.uk/lng-cruise-ships/ This lists 21 out of ~300 total cruise ships are LNG. This says most new passenger ships are LNG: https://www.cruisemapper.com/wiki/752-cruise-ship-engine-propulsion-fuel https://www.cruisemapper.com/wiki/752-cruise-ship-engine-pro... Obviously depends on cruise company and the tail is pretty long of smaller companies who aren't building new ones.