DEF Quick FAQ's
What happens if DEF comes in contact with skin or eyes?
What would I use Diesel Exhaust Fluid for?
Is Diesel Exhaust Fluid a hazardous material?
Is Diesel Exhaust Fluid flammable?
What should be done if DEF is spilled?
Should I be concerned about the quality of the Diesel Exhaust Fluid?
Is Diesel Exhaust Fluid affected by temperature?
Are there special storage instructions for DEF?
What happens if the DEF freezes in the tank on the vehicle?
Will Diesel Exhaust Fluid be harmed if it freezes and then thaws?
Is special equipment required to dispense Diesel Exhaust Fluid?
Should I add the DEF to the diesel fuel?
What happens if a non-DEF substance gets into the DEF tank?
How can I prevent diesel fuel from entering into the DEF tank?
How can I determine how much DEF my truck will use/need?
How often will refueling of Diesel Exhaust Fluid be required?
How many miles can a truck expect to travel on one gallon of DEF?
What happens if the vehicle runs out of DEF?
What is Selective Catalytic Reduction (SCR) technology?
What is the difference between SCR and Exhaust Gas Recirculation (EGR)?
What advantages are there to Diesel Exhaust Fluid and SCR technology?
Which major OEM's use SCR technology?
What package sizes are offered for Diesel Exhaust Fluid?
Can totes be returned and refilled after use?



