Used Class 8 sales rose in December along with double-digit gains in prices as the average heavy-duty truck’s mileage and age remained below year-earlier levels, ACT Research reported.

Navistar Inc. announced it intends to produce a zero-emission longhaul truck using fuel cell systems supplied by General Motors and will have an International RH Series FCEV model commercially available in 2024.

U.S. Xpress Enterprises Inc. announced it made a “significant” investment in autonomous trucking company TuSimple and that CEO Eric Fuller was named to TuSimple’s executive advisory board.

Paccar Inc. posted lower fourth-quarter net income and revenue while achieving record quarterly parts revenue and notching its record market share for medium-duty vehicles sold in the U.S. and Canada.

Transportation and logistics provider Werner Enterprises announced it invested in TuSimple, an autonomous trucking technology company founded in 2015, and described it as an important milestone in the journey to become an environmental leader.

Kodiak Robotics Inc. announced trucks equipped with its Kodiak Driver autonomous system have begun making regular disengage-free customer deliveries on the middle-mile route on Interstate 45 between Dallas-Fort Worth and Houston.

Classes 4-7 sales in December accelerated overall to clear 24,000 and move 6.2% higher compared with a year earlier, WardsAuto.com reported.

The North American Council for Freight Efficiency announced plans for Run on Less-Electric, a technology demonstration of a variety of battery-electric trucks in everyday operation.

U.S. trailer orders in December jumped 140% from a year earlier as they cleared 42,000, ACT Research reported, citing trailer makers’ initial data.

U.S. Class 8 retail sales in December cleared 21,000 to reach the high mark for the year, but were off 7.4% from a year earlier, WardsAuto .com reported.