Range Energy has completed a multi-year winter testing program, confirming that its production-ready electrified trailer system performs reliably in extreme cold and hazardous road conditions.
The latest round of testing took place at the Smithers Winter Proving Ground in Michigan’s Upper Peninsula. The facility is widely used by major automakers and commercial vehicle manufacturers for cold-weather validation.
The milestone marks a key step as Range transitions from prototype development to full commercial deployment of its eTrailer platform, the company said.
From Prototype to Production-Ready Platform
The company first conducted winter testing in 2025 using a prototype system to validate core safety and performance capabilities. This year’s program builds on that foundation, focusing on a production-ready version of the technology.
Range said the results demonstrate that its integrated electric powertrain can maintain consistent performance in real-world operating environments, including extreme weather. The company said that is an important consideration as fleets evaluate new technologies for year-round use.
“Completing this second testing program on a production-ready system is a critical milestone for Range as it shows our system can maintain top performance in real-world operations,” said Collin MacGregor, VP of product, safety, and systems at Range. “We’ve demonstrated not only that our technology delivers meaningful performance improvements, but that it does so reliably even in the toughest environments that fleets face.”
Improved Stability, Control in Snow and Ice
The winter testing campaign evaluated key performance areas including traction control, regenerative braking, thermal management, and overall vehicle handling.
Engineers subjected the system to demanding real-world maneuvers such as emergency stops, sharp turns, and rapid lane changes on snow- and ice-covered surfaces. According to Range, the eTrailer-equipped setups showed improved stability and smoother handling compared to standard trailers operating under the same conditions.
The company reported that conventional trailers were more prone to instability during these tests, while the electrified system enhanced control. That’s an outcome that could have positive implications for safety in harsh winter operations.
Electrification Approach Targets Fuel Savings, Reefer Efficiency
Range’s eTrailer system is designed to bolt onto standard semi-trailers. The integrated electric powertrain includes a 250-kW motor, inverter, gearbox, suspension system, regenerative braking, and battery packs ranging from 200 kWh to 300 kWh.
The system provides propulsion assistance to the tractor while also supplying power for onboard trailer systems. That enables fleets to reduce fuel consumption and eliminate diesel use for refrigerated units without requiring changes to driver workflows or charging infrastructure.
Range says real-world fleet deployments across the U.S. and Canada have already covered tens of thousands of miles. Those tests have demonstrated 50% to 70% improvements in fuel economy and full replacement of diesel for reefers, along with strong driver acceptance, according to the company.
Scaling Toward Commercial Deployment
With winter validation complete, Range is positioning its eTrailer system for broader manufacturing and deployment.
The company emphasized that cold-weather performance remains a critical benchmark as fleets demand technologies that deliver consistent results across all operating conditions.
The successful testing program reinforces Range’s push to establish trailer electrification as a scalable, high-impact solution for improving efficiency and reducing emissions in freight operations.
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