Aerodynamics

1  -  20  of  80

June 23, 2015

Breaking the 11 MPG Barrier

For Michael Niss, reaching 11 mpg is not just a dream. It is quickly becoming a reality through his project company, Breaking 11.

June 18, 2015

Hearing Set in Stemco-ATDynamics Complaint vs. Ridge’s Green Tail Device

Lawsuit claims Green Tail violates five patents held by ATDynamics for its TrailerTail rear aero faring.

June 17, 2015

Daimler's SuperTruck Revealed

With a 115% freight efficiency improvement and 12.2 mpg, the DTNA team had to pull out all the stops to turn its goals into realities.

June 1, 2015

Are Trailers More Aerodynamically Important than Tractors?

ATDynamics, now part of Stemco, says 75% of wind drag at highway speeds comes from the trailer.

May 28, 2015

The Challenge of Standardizing Aerodynamic Testing

Aero device manufacturers now have a choice of test methods to prove the effectiveness of their devices. Are consumers any better off?

May 13, 2015

Bob Sliwa’s 3rd Aero Project Has Shell’s Backing

The StarShip tractor-trailer will get mpg that's "better than anyone else," but the former owner-operator, whose work with aerodynamics goes back to the 80s, is not announcing a target number.

April 28, 2015

EkoStinger: A Different Way to Beat the Wind

Unlike most skirts that are stationary, the stinger moves with the tandem as it’s slid fore and aft, so it smooths air flow no matter where the tandem is set, said the system’s inventor.

March 26, 2015

V-Flap II is An Aerodynamic Mud Flap

Mudguard Technologies announced the V-Flap II aerodynamic mud flap, the second generation of the company’s V-Flap product.

March 17, 2015

The Slippery Slope of Aerodynamic Testing

Is SmartWay verification enough to calculate the return on investing in add-on aerodynamic devices?

March 12, 2015

SmartWay Elite Level Even More Efficient, Says EPA

What does the new "Elite" level of fuel-saving devices offered by the EPA SmartWay program mean? Senior Editor Tom Berg explores the topic in his Trailer Talk blog.

March 3, 2015

Edge Fairings Gain SmartWay Elite Status

The Tail resembles the Trailer Tail from ATDynamics, but seems unique in that its panels automatically deploy when the rig reaches about 45 mph, then fold up as it slows down.

February 12, 2015

Stemco Buys ATDynamics, Integrates Product Lines

ATD's trailer aero devices will complement Stemco's tire-inflation products, executives say.

February 12, 2015

Eco-flaps Splash Guards Feature Aerodynamic Design

Andersen Flaps is expanding its Eco-flaps splash guard line with the addition of 27- and 36-inch long sized splash guards designed for minimal drag.

January 29, 2015

Ultimate Test Drive Video: Western Star 5700XE Walk Around

Equipment Editor Jim Park does a walk around of the Western Star 5700XE checking out some of the innovative features inside and out in the latest Ultimate Test Drive video. Check out Part 1 here

January 28, 2015

Ultimate Test Drive Video: Designing the 5700XE

In this Ultimate Test Drive video, the designer of the Western Star 5700XE talks about the time and effort that were put into designing a truck that not only looks good, but is aerodynamic and functional. 

December 5, 2014

Navistar Rolls out New Efficiency Spec for ProStar

Navistar's new ProStar ES package includes a choice of the Maxxforce N13 engine coupled to an Eaton Fuller Advantage 10-speed automated transmission, or the Eaton Cummins SmartAdvantage powertrain, and high-efficiency 6X4 or 6X 2 drive axles and fuel-efficient tires.

November 14, 2014

Test Drive: Western Star 5700XE

Western Star’s 5700XE might just be everything to everyone. It’s a big classic-styled truck with second-to-one aerodynamics.

November 7, 2014

Prime Buys 2,500 TrailerTails from ATDynamics

Prime ordered 2,500 TrailerTail aerodynamic devices from ATDynamics to be installed on its new Utility refrigerated trailers. It is the largest order in ATDynamics company history.

October 28, 2014

Full-length Skirts Add Fuel Savings for Nussbaum

Nussbaum is streamlining its trailers looking to save money on fuel. Skirts, TrailerTails and a few other modifications together save close to 1 mpg.

October 23, 2014

Ultimate Test Drive Video: SuperTruck's Finer Points

We go underneath the hood and between the rails to find out what makes the Peterbilt/Cummins SuperTruck so efficient – 86% more efficient, to be precise. Equipment Editor Jim Park explains in this Ultimate Test Drive video. 

View Part 1 here. 

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