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Old 02-11-2012, 06:16 PM   #237 (permalink)
slowmover
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Join Date: Oct 2009
Location: Fort Worth, Texas
Posts: 2,442

2004 CTD - '04 DODGE RAM 2500 SLT
Team Cummins
90 day: 19.36 mpg (US)
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Don't know just how relevant, but came across a Highway Crosswind Calculator for trucks and other high profile vehicles.

A contributor with deep knowledge of truck fleet operations (and international engine consultant), Doug Hilary, (on BITOG) states that 3/4'ng headwinds are much the worst for FE.
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