With more advanced engine metallurgy and design, and the demand for increased fuel efficiency and lower emissions, engine operating temperatures have increased more than 40 F in the last 50 years.

CCJ's 10-44 is brought to you by Chevron Delo heavy duty diesel engine oil. Now there's even more reasons to choose Delo. We're talking coolants again this week, but this time how to know when you've ...

PEAK, a division of Old World Industries, has released Final Charge coolant testing strips to measure the quality of engine coolant in commercial vehicles. “We all know that high-performing, fully ...

Prestone Products Corp. announced it has heavy-duty test kits, test strips and a refractometer for antifreeze/coolant analysis. A coolant analysis program offers snapshots of what is happening inside ...

Shell has introduced an on-site contamination test kit for its extended-life coolants, the Shell Rotella Extended Life Coolant Contamination Test Tool. There are basically two types of coolants in the ...

CARS.COM — When is the right time to change your engine coolant? For some vehicles, you’re advised to change the coolant every 30,000 miles. For others, changing it isn’t even on the maintenance ...