TruckWings eliminate tractor-trailer gap

Delivering a solution for eliminating the fuel-sucking gap between a truck’s tractor and trailer, XStream Trucking has launched TruckWings, an active-aero device that automatically deploys at highway speeds to deliver streamlined aerodynamics, fuel savings and lower carbon emissions. Half a dozen carriers, including two of the nation’s largest fleets, are currently in private pilots with TruckWings.

“There have been significant investments made in improving truck aerodynamics in other areas,” said Daniel Burrows, XStream Trucking’s founder and CEO. “TruckWings is the first device that completely solves the turbulence problem created by the open area between the tractor and trailer that contributes significantly to a truck’s overall aerodynamic drag. Since two-thirds of a truck’s fuel bill is spent overcoming that drag, there is a huge savings to be had by reducing it.”

Acording to Burrows, the gap is needed for low-speed maneuverability. TruckWings’ patented design, developed through years of wind tunnel, track and road testing, is devised to work at highway speeds, automatically deploying large panels to cover the sides and top of the tractor-trailer gap. The panels, made of high-impact, glass-reinforced composites, create a continuous connection between the truck and trailer that allows the air to flow smoothly over the entire length of the truck. When the truck slows down, the panels retract without driver intervention, providing the necessary clearance for turns at any angle.

“We see TruckWings performing particularly well on routes with high winds,” said Burrows. “Crosswinds push a wedge of air flow into the gap area, hitting the front of the trailer direct on. TruckWings cleanly prevent this buffeting, and this is where we see our highest fuel savings. Drivers feel the improvement in windy conditions and report much smoother rides with less lane drift.”

The company is offering several options for truck and fleet owners interested in adding TruckWings to their tractors, including a shared-savings model and outright purchasing.

To help independent truckers and large fleet owners calculate potential savings, XStream offers a free, easy-to-use calculator on its website that can estimate savings for fleets of any size. Find out more at

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