Under certain conditions, the water in DEF can evaporate, leaving behind white crystal urea deposits. Over time, these crystals can build up, clogging system components and interfering with normal ...

Pricing for diesel exhaust fluid (DEF) followed slightly divergent paths between February and March this year, with DEF prices at the pump falling by a penny per gallon while bulk tote prices actually ...

DEF. I don’t think there is a more hated acronym in all of trucking. DOT even pales in comparison. Would you rather a CRA audit, or DEF issues? “Alex, I’ll take CRA audits for $1,000 please.” DEF, of ...

HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is probably ...