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 ...

Diesel engines typically have beefier, more robust cooling components to keep the motor cool in varying conditions. Modern diesels operate at a higher compression ratio, which makes their combustion ...

Diesel engines are known for their reliability, but that's only if proper routine maintenance is provided to the drivetrain ...

Engine coolant is essential for preventing overheating, yet many vehicle owners remain unsure how often they should inspect ...

New NOx emission limits placed on truck diesels built after October 2002 have engine and truck manufacturers scrambling. One of the biggest challenges they face is how to cool them. To run cleaner, ...