Exmar has secured approval in principle from class society Lloyd's Register (LR) for a new LPG carrier that will run on green ammonia.

The Belgian shipowner's design of the 40,000-cbm midsize ship is seen as a milestone in the quest for zero-emission shipping.

China's Jiangnan Shipyard has come up with the blueprint, while Finland's Wartsila is working on the ammonia fuel supply system.