Without getting too technically geeky, Diesel Exhaust Fluid, or DEF, is an aqueous urea solution that's generally 32.5-percent urea and 67.5 percent deionized water. It's injected into the diesel ...
Diesel exhaust fluid (DEF) is a critical component in achieving both optimal performance and compliance with emissions standards. To maximize the benefits of DEF, it’s essential to understand proper ...
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