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All hands on deck * USA - Traffic speed study will reveal a lot
GrainValley,MO,USA -Land Line Magazine, by David Tanner -May 21, 2008: -- ... Professor of industrial engineering at the University of Arkansas, Steven Johnson spends his usual working hours being one of the most highly sought-after traffic gurus in the transportation industry... Johnson’s latest offering is set to show that speed differentials between trucks and automobiles exist no matter what the posted speed limits are... The large majority of trucks, on the other hand, had a tendency to travel at speeds at or below the speed limit, rarely topping 70 mph, even when the speed limit was 75 mph... Johnson’s data are expected to start people thinking because the number of fleets rolling back their speed limiters to 65 mph, or 62 mph, is increasing because of higher diesel prices... The Technology & Maintenance Council estimates that rolling back the speed limiter on a truck equates to a savings of 0.1 mile per gallon for each mph decreased... Johnson is the first to admit that speed and fuel consumption are closely related, but he also points out that vehicles interacting with slower trucks will burn more fuel...
Labels: speed limits
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