DEF (Diesel Exhaust Fluid): Tips and Best Practices

When purchasing and storing diesel exhaust fluid, known as DEF for short, it’s important to know how to use it correctly for safety. Because your business depends on diesel-powered vehicles, from tractors to dump trucks, you likely already know about DEF, which is designed to reduce the harmful emissions by diesel engines (when used properly). DEF also ensures your vehicles remain in compliance with air pollution regulations. Diesel exhaust fluid won’t undercut engine performance, unlike some emission reduction technologies. The use of DEF can significantly improve your fuel economy and horsepower production while reducing engine wear at the same time. The danger comes in when you use low-quality or contaminated DEF which can be harmful. Heed these tips and best practices when buying and storing DEF and related supplies. Only Buy the Highest Quality DEF DEF mixtures, comprised of urea and purified, deionized water, create a clear, non-flammable solution injected directly into the hot exhaust gases that come from your diesel engine, spurring a chemical chain reaction that removes nitrous oxide emissions out of the gases. If this chemical reaction is to happen properly, the DEF has to be of the purest and highest quality, as contaminants can stall [...]