Norway's Klaveness Combination Carriers (KCC) has sworn off contracting new ships unless they can eventually achieve zero emissions.
The owner of pioneering vessels that can carry wet and dry cargoes held a webinar to talk about its second sustainability report covering 2020.
Chief executive Engebret Dahm said: "Decarbonisation is the big challenge of the century for the shipping industry. To be sustainable, you also have to be profitable."
