My DEF usage appears to be about the same using Blue DEF or using the bulk DEF at the diesel pumps from Pilot. Based on the records I keep the DEF usage even appears to be more when using bottled Blue Def with about a 20 MPG decrease over the bulk DEF.
The biggest difference is the cost. At the diesel pumps at Pilot I pay 2.99 per gallon for DEF. Blue DEF in the 2.5 gallon jugs at WalMart costs right at 4.99 per gallon.
The biggest issue I have is the location of my DEF tank relative to the diesel fuel fill and the fact that truck pumps want you to pump diesel first and then DEF. I have to pump both using two separate transactions at the pump. I have to cancel fuel, pump DEF then close out the transaction, pull the coach forward about 20 feet and then pump diesel. On the Freightliner S2RV chassis the Def tank is by the driver's door and the fuel fill is right behind and above the rear wheels.
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Dave
US Army (Ret)
2020 Entegra Accolade 37TS
2019 Jeep Grand Cherokee Trailhawk (Toad)
FMCA - F432054
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