That must have been a cool sighting. 😎
It's a marvel of engineering, but the environmental aspect is very dubious to say the least. In the same ways that EV cars are 'helping the environment '.
Discussion
Yeah for shipping, better to improve bunker fuel and what they can throw overboard. Be as strict as they are with oil rigs would be a good start. It's bloody baby steps with shipping for some reason. We should do better really