Diesel Exhaust Fluid [DEF]

A Clear Choice for Clean Air

Blue Sky DEF is a diesel exhaust fluid designed to meet the needs of all new 2010 diesel engine powered vehicles using SCR technology. Blue Sky DEF reduces nitrogen oxide emissions by 90% and improves fuel efficiency by 5%. It is a simple-to-use, low-cost, clean solution for meeting the new 2010 EPA Clean Air requirements.

Marathon Flint Oil Company, a leading distributor of petroleum and lubrication products, is proud to offer this trusted emission-control solution to its customers.

Packaging Options

Blue Sky DEF is available in a variety of sizes and storage configurations to meet all of your needs for any application.
  • Bulk Deliveries
  • Totes
  • 55 Gallon Drums
  • Jugs
  • Heating Containment Units Available

Bulk options are available in fully self-contained, above-ground, and heated mini-bulk stations. If you need help choosing the size that’s right for you, then speak with one of our friendly experts: