Coates International, Ltd. said today it has put all projects on hold for about 30 days while it retrofits the company's engine technology onto an 18-wheeler truck.

Hybrid engines aren’t just for emasculating little sedans anymore. Nope, now they’ve found their way into big, manly vehicles such as 18-wheelers.

The force needed to get a fully loaded semi-truck rolling is significant, and that's why many 18-wheeler engines feature upward of 2,000 lb-ft of torque.

The loophole in federal law lets new, engineless truck bodies, or gliders, be outfitted with old, rebuilt diesel engines -- and avoid conforming to current emissions laws in effect for 18-wheelers.

27,237 people played the daily Crossword recently. Can you solve it faster than others? 27,237 people played the daily Crossword recently. Can you solve it faster than others?

Parts of LBJ Freeway shut down after 18-wheeler overturns, spills diesel fuel onto road. Dallas Fire-Rescue's hazardous materials team is on site to help with the clean-up efforts.

While touring a Mack Trucks facility in July 2021, U.S. President Biden said "I used to drive an 18-wheeler... I got to." The president appears to have been referring to the the time in 1973 when ...

Old diesel engines in new truck bodies (gliders) can meet old emissions rules. They emit up to 55 times as much pollution as regular truck tractors, and 10 times the pollution potential of the ...