Grieg Maritime’s ammonia-fuelled tanker concept gains class approval in principle 4 April 2022 Now classification society DNV has given its blessing, work can begin on the vessel’s designAuthor: Capt. Johnhttps://www.tradewindsnews.com/esg/grieg-maritime-s-ammonia-fuelled-tanker-concept-gains-class-approval-in-principle/2-1-1195920