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This concept needs a clear explanation.  From the patent, it looks as though it includes more than just a fairing for the lead container.  It suggests that the gaps between all stacks of containers will have some type filler or fairing for the leading face of the containters.  Or maybe, these are just variation on one fairing for the lead, upper container. What I  want to see is U.P. publishing engineering figures indicating the amount of drag reduction the fairing supplies to a train.  The patent simply speaks of "drag reduction."  Certainly the concept will provide drag reduction.  The pertinent question is: how much reduction?  Just keeping the train clean will provide drag reduction as well as weight reduction, but is it worth it? I want to see how many gallons of fuel U.P. will save with this device.  Surely they have made that calculation.  Why not tell us what it says?
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