New Rislone Diesel DEF Treatment Super Concentrate stabilizes and improves diesel exhaust fluid (DEF) to prevent crystallization and enhance selective catalytic reduction (SCR) system efficiency ...

Given how important the fluid is, you don't want your diesel-powered vehicle to run on expired DEF. Long-term use of expired DEF can significantly affect the performance of the selective catalytic ...

For most diesel-powered engines, DEF is vital so the vehicle performs at its best. Here's what it is exactly and what the acronym stands for.

Diesel exhaust fluid is the primary solution used in NOx aftertreatment. Most diesel vehicles today cannot legally operate without DEF. But what is NOx, and why do fleets need DEF to treat it?

Diesel engine vehicles can be damaged by using low quality diesel exhaust fluid (DEF). Repairs can be very expensive with long downtime possible, and damage could void the manufacturer’s warranty.