Shell Rotella Extended Life Coolant-Nitrite Free (ELC NF) joins the company’s coolant portfolio as the companion to Shell Rotella Ultra ELC. Both coolants are designed for nitrite-free engine ...

”In an ideal world, in which no one ever touched the coolant and the vehicle never leaked, a high-quality extended-life coolant would be virtually maintenance-free. But this is not an ideal ...

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 ...

Prestone Command Supplemental Coolant Additive is formulated to protect coolant systems from corrosion by replenishing inhibitors, prevent rust and scale buildup and control pH balance with chemical ...