Additional costs to enable the very large crude carrier (VLCC) to run on LNG rather than conventional fuel are about $20m, with around $2m extra needed at the newbuilding stage to make the vessel ready for a future retrofit to ammonia, class society DNV finds. In a joint industry project, DNV and...
https://splash247.com/ammonia-ready-option-ups-vlcc-newbuild-price-tag-by-22m/