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DIESEL EXHAUST FLUID (DEF)

Rainbo Oil Company fills and delivers TerraCair Ultrapure Diesel Exhaust Fluid at its Dubuque, Iowa location.  TerraCair has received certification from the American Petroleum Institute (API).  This certification recognized that TerraCair DEF meets the stringent quality standards that engine manufacturer service warranties specify.  TerraCair is the preferred Diesel Exhaust Fluid of several leading original truck producers (OEMs) such as Ford, Daimler, Hino, Volvo and Mack Trucks North America. Additionally, TerraCair is endorsed by many professional transportation partners.

 

 
 

WHAT IS DEF?

DEF is a nitrogen-based urea solution that helps clean the air by reducing the nitrogen oxide (NOx) emission from the exhaust stream of diesel engines.

For more information on DEF, contact Kathy Green (kathygr@rainbolubes.com | (800) 942-4425 ext. 105)

 




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