Diesel Exhaust Fluid

 

CountryMark supplies only API-certified UltraPure Diesel Exhaust Fluid (DEF). Here are some frequently asked questions regarding the use of DEF.

What is DEF and how is it used?Diesel Exhaust Fluid (DEF) is an automotive grade of 32.5% urea mixed with 67.5% demineralized water. It’s non-hazardous, non-toxic and non-flammable. DEF is used in Selective Catalytic Reduction (SCR) systems to change dieselpowered bus, car and truck NOx emissions to nitrogen and water.

How often will I need DEF? DEF will be used at about 2% - 3% of your diesel fuel consumption. So, every time you use 100 gallons of diesel fuel you will need approximately 2 – 3 gallons of DEF.

Is DEF a fuel additive? No. There is a separate tank for the fluid. DEF should not be added to the fuel tank.

What are the benefits of using DEF? Diesel engines equipped with SCR using DEF not only meet the 2010 tailpipe standard, they also deliver a significant fuel economy benefit.

Does it matter what DEF brand I purchase? Yes, it does. UltraPure is an API-certified, ultrapure, formaldehyde-free DEF. It is manufactured by Brenntag, the largest North American producer of DEF. 

Who has selected UltraPure? UltraPure is the factory fill and dealership choice for Volvo Trucks North America, Mack Trucks, Daimler Trucks North America, Freightliner, Ford, GM, Chrysler and Hino, to name a few.

Can I purchase UltraPure? What size would you like? UltraPure is available in 1-gallon and 2.5 gallon bottles, 55 gallon drums, 275-gallon and 330-gallon totes, and bulk.

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INDIANAPOLIS, December 4, 2023 -- CountryMark recently named Ada Cuadrado as vice president of operations leading the company's refining, project management, regulatory and safety organizations.
 
Fueling Wishes Raises Over $28,000 to Fund Wishes of Two Hoosier Children in Need
CountryMark fuel stations in Greenfield, Indiana and Winslow, Indiana raised more than $28,000 during the month of September to fund the wishes of two local children battling life-threatening illness through CountryMark’s Fueling Wishes fundraiser.
 
Two CountryMark Fuel Stations will Host Fundraisers for Children in Need
CountryMark’s Fueling Wishes fundraiser is returning for the second year to fund the wishes of two Hoosier children battling critical illnesses. During the month of September, CountryMark is donating 20 cents for every gallon of fuel sold at the CountryMark station in Greenfield, IN and the CountryMark station in Winslow, IN to fund the wishes of each child.
 
CountryMark's Fueling Freedom raises over $65,000 for local military families
CountryMark's Fueling Freedom events on June 30 raised more than $65,000 to support local National Guard Solider and Family Readiness Groups (SFRG) and United Service Organizations. Across Indiana, Illinois, and Ohio, 34 CountryMark-branded fueling stations participated in Fueling Freedom 2023. For every gallon of fuel pumped, CountryMark and local branded dealers agreed to donate 50 cents to organizations with a mission of supporting local military families.
 
CountryMark fuel stations to raise money for local military families through Fueling Freedom program
When you fill up at a participating CountryMark fuel station on Friday, June 30 between noon and 5pm, CountryMark and its branded dealers will donate 50 cents for every gallon of fuel pumped to local organizations with a mission of supporting local military families. Customers are also invited to register to win a $150 gift card.
 
 

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