BW Group product and chemical carrier owner Hafnia plans to build out a fleet of very large ammonia carriers in the next four years as it moves into new areas of energy transportation.

In its 2023 Sustainability Report, BW Group said US-listed Hafnia is working with ExxonMobil and Mitsui OSK Lines on a large-scale clean hydrogen-ammonia production and export facility — Ascension Clean Energy — to be located in Louisiana.