Barges are what hold the products so it can be shipped in bulk .
Barge One barge can hold the same as 15 large hopper rail cars. One barge can the hold the same as 58 large trucks. So it would take some Two 100 car trains plus another Train with 25 Trains cars to be the same tonnage a 15 barge tow. It would take some 870 Large Trucks to haul just the Tonnage of one 15 barge Tow. Yes, those same Trucks that run you off the road when you are trying to get to Wal-mart to spend your money.