Because heavy-duty diesel engines have to do tough jobs, sometimes in tough environments, providing them with quality protection is a must to maintain optimal performance. The continued evolution of ...

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 ...

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 ...