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 ...

Elizabeth Nelson, coolant program manager at Polaris Laboratories, a fluid-analysis company in Indianapolis, Ind., tells a story that would strike fear into the heart of any fleet manager. A class-8 ...

Last week, GM Authority exclusively brought you the very first images of GM’s upcoming 3.0L I-6 LM2 turbo-diesel Duramax engine. We were having a ball with the vector until GM issued a takedown notice ...

Proper cooling is critical to any engine. Without some way to remove the heat created during the combustion process, the engine will quickly become a lump of scrap metal. But today's coolants provide ...

Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems, accounting for approximately 40% of engine failures. The damage being done is difficult to ...

The continuous drive for enhanced efficiency and reliability in modern diesel engines has prompted extensive research into the thermal management of critical components such as pistons. The ...