I did not know they banned that. They keep going, they will be using steam engines again and firing with wood.
I did read an article some time ago though, where one shipping company was investigating doing just that and firing with wood pellets. Cant remember where and what publication it was now.
Its either that or going back to sail..
There are a couple small companies in Escanaba MI that are pushing them with tug boats. People have NO CLUE how important our inland waters are. River towboats alone can transport WAY more than trains can.
There was a move toward scrubbers but it failed to materialize in the American fleet. I think the Canuks have one or two. Seeing the Obama mandate coming, many refineries that depended on the steamship trade to take away their N6, shifted to producing a veriety of asphalt products.
The Husky plant in Superior, WI moved to making roofing flux shortly before the explosion two years ago. Rebuilding the plant has taken a very long time...
Now, Husky has sold its facility to another Canadian firm...