Related: Why U.S. Xpress is Getting Help With Fuel Economy Testing
U.S. Xpress Becomes a Pit Group Member
Following fuel consumption tests conducted at its facilities in Georgia, U.S. Xpress has become a member of the Pit Group, an organization specializing in truck related technology implementation through testing and fleet advisory services.

U.S. Xpress trucks preparing to begin a 52-mile fuel economy run out of its facility in Tunnel Hill, Georgia. The trucks are the latest model tractors available equipped with each OEM's most aggressive fuel economy package. Photo: Jack Roberts

Following fuel consumption tests conducted at its facilities in Georgia, U.S. Xpress has become a member of the Pit Group, an organization specializing in truck related technology implementation through testing and fleet advisory services.
U.S. Xpress signed up for the Pit Group’s membership program following the success of in-service fuel consumption tests that were carried out in Nov. 2016. The tests were carried out on U.S. Xpress trucks in a variety of different tractor and trailer combinations with equivalent loads.
Evaluations included 2016 and 2017 vehicles and testing covered a 52-mile test route on highways and local roads that represented the fleet’s day-to-day operations. Using this test, PIT group determined which tractor turned in the best fuel economy numbers for U.S. Xpress’s specific needs. Vehicles included in the U.S. Xpress tests included Peterbilt Model 579s, Kenworth T680s, Navistar LTs and Freightliner Cascadias.
"By collaborating with the Pit Group, we will be able to quickly obtain reliable results about fuel-saving technologies," said Gerry Mead, senior vice president of maintenance at U.S. Xpress. “We take fuel economy very seriously and we believe that Pit Group membership will help validate the decisions we make about our equipment.”
Pit Group consists of engineers, technicians, eco-driving trainers and fleet management specialists that promote efficient energy use in commercial transportation, municipal and transit industries in North America. Pit Group is a division of FPInnovations.
Other U.S.-based carriers that have joined the Pit Group include, Praxair, Experior Transport, Skyline Transportation, and Keller Logistics.
"The fact that such a major carrier as U.S. Xpress has joined our membership program and that it has done so immediately after the tests were carried out at its facilities emphasizes the valuable contribution that the PIT Group can make to all types of fleets in the North American transportation industry,” said Yves Provencher, PIT Group manager.
More Fuel Smarts

DTNA Software Update Gives Truckers More Time Before DEF Derates Take Effect
The changes reflect EPA guidance aimed at reducing downtime caused by emissions-system faults while maintaining compliance requirements.
Read More →
New Agentic Predictive Maintenance Report Demonstrates How Degraded Aftertreatment Systems Waste Fuel
Questar analyzed a large mixed-class fleet and discovered it was wasting as much as $30 in fuel per vehicle, per day, because of mechanically degraded aftertreatment systems.
Read More →
New York City's Microhub Project is Delivering Results
Trucking, last-mile delivery companies, and environmental advocates like what they are seeing so far with New York's microhub program.
Read More →
Lessons Learned About Alternative Fuels: Start Small, Stay Flexible
Practical advice on adopting alternative fuels and ZEVs from HDT's 2026 Top Green Fleets, from renewable diesel and natural gas to electric trucks.
Read More →
Kempower Adds Flex EV Charger to Help Support Transition to Megawatt Charging
The Kempower Mega Satellite Flex has both a CCS and MCS connector, allowing operators to serve both types of heavy-duty vehicles.
Read More →
Hino Adds Electric Class 6/7 Truck
Hino says the Le Series is an important step in the company's efforts to reduce environmental impact and support its customers’ sustainability goals.
Read More →
Can Multi-Speed EV Transmissions Solve Heavy Trucking’s Biggest Electric-Vehicle Problems?
A startup called Sigma Powertrain believes purpose-built multi-speed gearboxes can boost efficiency, reduce battery size and improve gradeability for heavy-duty battery-electric trucks.
Read More →
Hendrickson Debuts Electraax E-Axle for Medium-Duty Trucks
Developed with Driventic, Hendrickson's new integrated e-axle is designed to improve efficiency, reduce weight, and extend range in Class 6-7 EV applications.
Read More →
50 Ways Fleets Can Cut Fuel Costs Now — Without Buying New Trucks
Fuel savings don’t come from one big change. They come from dozens of small ones. Here’s how leading fleets are stacking gains across drivers, routing, maintenance, and more.
Read More →
Top Green Fleets 2026: How Fleets Are Reducing Emissions in the Real World
What works in sustainable trucking today? Heavy Duty Trucking's Top Green Fleets are finding practical ways to cut fuel use, reduce emissions, and keep freight moving.
Read More →
