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Trailer Aerodynamics

NACFE Revises Tractor, Trailer Aero Reports

The North American Council for Freight Efficiency (NACFE) has revised its Tractor Aerodynamic Devices and Trailer Aerodynamic Devices confidence reports. Originally published in 2016, several equipment developments led NACFE to revise the reports.

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Rocketail Aero Device Now Retracts in Collisions

Rocketail XR is an upgrade of the Rocketail aerodynamic systems for reducing tail-end drag on semi-trailers. It addresses the problem of aerodynamic trailer boat tails sustaining damage on impact with loading docks or other objects.

EPA Adds SmartWay Day Cab Program, Revises Retread Tire Specs

The Environmental Protection Agency is making some changes to its SmartWay program that offers information on verified fuel-efficient technologies. Day cabs are now eligible for the SmartWay designation, and research into fuel-efficient retreads will result in changes to how those products are classified.

Q&A: NACFE Celebrates a Decade of Profiling New Technologies

Mike Roeth, executive director of the North American Council for Freight Efficiency, sat down and talked to HDT about what the last 10 years have been like showcasing and validating new trucking technology and what he thinks the next decade will bring.

Simulation Shows Eco Flaps Reduce Drag on Tanker Rigs

An analysis of four tanker configurations showed drag reduction of more than 2%. But Senior Contributing Editor Tom Berg suggests another way to cut drag – eliminating tanker fenders, which act like sails and pull backwards on the trailer.

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