Barges are a quick and easy way to export agricultural goods. One 15-barge tow can carry the same amount of freight as two 108-car freight trains or a whopping 1,050 semi-trucks, according to the American Waterways Operators, which describes itself as “the tugboat, towboat and barge industry’s advocate, resource and united voice.”
Source: Latest Supply Chain Crisis Could Threaten Global Stash Of Food, Energy | ZeroHedge