In 2015, Vigor, the Pacific Northwest’s biggest shipbuilder, launched the Harvest, the first liquefied ammonia barge built in the U.S. since 1982. It was built for the Mosaic Co. of Minnesota, a leading producer of concentrated phosphate and potash fertilizers, and will be operated as an ATB in the Gulf by a subsidiary of the… Continue reading Shipping Sees New Use for Ammonia Tanker Barge