When you cut to the basic principles of heavy-duty trucks it comes down to return on investment: maximum mpg, meeting emissions requirements and the truck running at optimum conditions and ...

The Iowa House advanced a bill Monday that would allow farmers to disable the diesel exhaust fluid, or DEF, systems required ...

Cummins’ 6.7L Turbo Diesel advanced engine system and powertrain will be offered in the recently announced 2025 Ram 2500; 3500 heavy-duty pickups; and Ram 3500, 4500, and 5500 chassis cab trucks.

Diesel engines are renowned for their power and fuel efficiency, but cold weather can pose significant challenges to their operation. Many diesel owners wonder if starting their engines in cold ...

The global market for diesel- and gas-powered engines continues to grow, as manufacturing companies unveil products designed to produce power more efficiently while at the same time lowering emissions ...

Built on its long-running Heavy-Duty Engine Platform, Daimler Truck North America’s new Gen 6 diesel engines utilize a novel ...

A retrofit system that converts diesel engines to operate on 90% hydrogen has been prototyped and tested by University of South Wales (UNSW) researchers. This system drastically reduces emissions of ...

Toyota clearly got it right with this engine three decades ago, and it's still selling it virtually unchanged in new vehicles today.

With up to 1680 Nm of torque, the Core80 is the most powerful engine in the family. Steel pistons and a variable‑geometry turbocharger (VGT) deliver rapid response, strong engine braking and improved ...

Toyota is well regarded by many as the expert when it comes to making reliable cars, with a central focus of its expertise being powertrain technology. If anything, many can comfortably argue that the ...