Federal Motor Carrier Safety Administration confirmed that the Field Warrior electronic logging device has been reinstated to its roster of registered ELDs, allowing it to be used again for hours of service compliance.

The decision follows a temporary removal late last year after the device failed to meet federal requirements.

Why the Device Was Removed and What Changed

In November 2025, the agency pulled the Field Warrior ELD from its approved list after determining it did not fully comply with required standards. Devices that fall short of those benchmarks are not permitted for use, even if they are already installed in vehicles.

Federal officials say enforcement around ELD compliance remains closely tied to roadway safety.

“Electronic logging devices play an important role in preventing unsafe driving practices,” said Derek Barrs, FMCSA administrator. “When devices don’t meet federal requirements, they put safety at risk, and that’s why we take action to remove them and keep our roads safer for everyone.”

After corrective action and a successful review, the device has now been cleared to return to service.

Field Warrior ELD Details Confirmed by FMCSA

The reinstated device is produced by Forward Thinking Systems LLC and is approved under the following specifications:

• ELD Provider: Forward Thinking Systems LLC
• Device Name: Forward Thinking Systems Field Warrior ELD BYOD
• Model Number: FW BYOD
• ELD Identifier: FTSFW1

With reinstatement complete, the device is once again recognized as compliant for regulated operations.

What This Means Going Forward

Only devices listed on FMCSA’s registered ELD database are authorized for use. Any device removed from that list cannot be used to record hours of service until reinstated.

Operators using the Field Warrior ELD should confirm their system settings and ensure they are running the approved configuration tied to the reinstated model.

FMCSA continues to monitor registered ELDs and may take action again if compliance standards are not maintained.

Source: The Trucker

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The demonstration took place on a quarter-mile test segment along U.S. Highway 52 and U.S. Highway 231 in West Lafayette, Indiana. The roadway segment, built by the Indiana Department of Transportation, was designed to transfer power wirelessly to vehicles as they move, eliminating the need for plugs or stationary charging stops.

An electric Class 8 truck provided by Cummins was used during the fall test, charging while traveling at normal highway speeds.

How the Wireless Charging System Works

The system was developed by Purdue engineers and is described by the university as a form of dynamic wireless power transfer. In this context, dynamic means the vehicle receives power while in motion rather than while stopped.

Because vehicles move faster on highways than on city streets, the system must deliver significantly higher power levels to be effective for commercial trucks. During testing, the Purdue system delivered up to 190 kilowatts to the truck while it traveled at 65 miles per hour.

While similar technology has been tested elsewhere, applying it to highways and heavy-duty vehicles presents additional challenges due to speed, vehicle weight, and power requirements.

Cummins Participation in the Project

Cummins worked with Purdue researchers to adapt a prototype battery-electric truck for use with the wireless charging system.

“Cummins is proud to play a role in this initiative by successfully adapting a prototype Class 8 battery-electric truck to integrate with Purdue’s high-power dynamic wireless power transfer system,” said John Kresse, chief technology engineer at Cummins. “The on-road testing went exceptionally well, thanks to strong collaboration between our teams. With its high power and promising cost structure, this technology represents a practical, and potentially game-changing, solution for the future of on-highway commercial transportation.”

Long-Term Research Effort Behind the Test

The demonstration is part of a multistage research effort that began in 2018. Purdue and the Indiana Department of Transportation have collaborated on the project through the Joint Transportation Research Program.

The work is also affiliated with a National Science Foundation Engineering Research Center known as Advancing Self-sufficiency through Powered Infrastructure for Roadway Electrification, or ASPIRE.

“With this breakthrough system, Purdue has shown that powering large commercial vehicles wirelessly is not just technically feasible but could be a practical and scalable solution for real-world highway transportation,” said Nadia Gkritza, a Purdue professor of civil and construction engineering and agricultural and biological engineering.

What This Could Mean for Electric Trucking

Purdue researchers say one potential benefit of wireless highway charging is the ability to reduce battery size in electric trucks. Smaller batteries could allow trucks to carry more freight while lowering equipment costs.

By delivering power directly through the roadway, the system could help electric trucks stay charged during long trips rather than relying solely on large onboard batteries or frequent stops.

The demonstration highlights ongoing research into how future highways could support electric vehicles of all sizes, including heavy-duty commercial trucks, through embedded charging infrastructure.

Source: Commercial Carrier Journal

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