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diesel locomotive gas milage
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Regarding the comparisions of barge vs rail fuel economy, it depends in large part on what particular waterway system is being used as an example. On the Columbia/Snake River waterway in the Pacific Northwest, the theoretical max ton/miles per gallon per barge tow is up to 1500 ton/miles per gallon. The reason it is still a theoretical max is that that particular waterway is still grossly underutilized compared to the Mississippi system, and these barge lines don't usually run point to point operations like unit trains. The Columbia/Snake Waterway also has a deeper draft (14' compared to 12' for the Mississippi) which aids in efficiencies. The average fuel efficiency is more like 850 ton/miles per gallon, since the typical barge tow carries a variety of commodities unlike unit trains. If the barge operators chose to run "unit" barge tows, the fuel economy would be higher, but that doesn't fit into the operating ideal right now for barging operations. <br /> <br />The bottom line: All freight transport modes are increasing fuel efficiency, truck, rail and barge.
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