What is DEF Fluid? A Complete Guide for Diesel Owners and Fleet Managers
If you’re wondering what is DEF fluid and why it’s essential for diesel engines, you’re not alone. DEF fluid (Diesel Exhaust Fluid) is a critical component in reducing harmful emissions from modern diesel vehicles. In this complete guide, we’ll break down everything you need to know about DEF fluid—how it works, why it’s used, and […]