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Tennessee Tech University officials have ended plans to establish an Intelligent Mobility Research Center in a partnership with Fitzgerald Glider Kits after a university research misconduct investigation discredited a university study that concluded in some cases glider trucks polluted less than newer heavy trucks.

J.B. Hunt Transport Services has made its first purchase of electric-powered trucks, acquiring five medium-duty eCanter box trucks from Mitsubishi Fuso Truck and Bus Corp. for use in making deliveries in Santa Fe Springs, Calif., and in the greater Houston area in Texas.

Developers of aerodynamic and other equipment that helps fleets curtail fuel use in diesel-powered trucks say they see similar opportunities with electrified vehicles.

ATLANTA — Nearly all motor carriers subject to the federal electronic logging device mandate have complied with that regulation, but another significant transition remains for fleets still using AOBRDs, older e-log systems that predate the ELD rule, industry experts said.

ROCKVILLE, Md. — A draft of proposed mandatory federal guidelines for drug testing using hair samples continues to slowly wind its way through the federal bureaucracy, still months — or perhaps longer — away from being released for public comment.

The Federal Motor Carrier Safety Administration is scheduled to host its annual policy review session at the Transportation Research Board’s annual meeting Jan. 15, the agency announced this week.

Federal trucking regulators have issued a request for comments on the role that vehicle maintenance plays in motor carrier safety. The responses will be included in research that will use online surveys to obtain data to address the study’s objectives.

Digital freight brokers Convoy and Uber Freight have separately launched new tools intended to make pricing options for hauling loads more transparent for shippers.