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<p><span style="font-family:verdana,geneva;font-size:small;">The only difference I see between truck fairing and this train fairing is a matter of proportion .  A double stack train has air resistance all over it.  It is in front of the engines, between them, in front of all of the stacks, under the cars, in front of the cars, and between the trucks and wheels.  If you could shrink wrap the whole thing and turn it into a big smooth worm, there were be tremedous fuel savings.  But just one fairing in one small spot seems like a drop in the bucket. </span></p>
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