Last Steam ship built in the USA?

Question

Does anyone know what the commercial steam ship built in the USA was and when built I am on the LNG Abuja originally named the SS Louisiana built in 1980 and I am presuming this was probably the last along with the sister ship Lake Charles

Not navy ships I know nuclear are steam

Answer 1

The last one was the one you are on,ss Louisiana was as you say built in 1980,renamed as LNG Abuja,the last in the world was in 1984.