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Improving air quality with DEF | Preston Citizen

Improving air quality with DEF

August 14, 2013


Citizen editor

There are not a lot of government regulations that have caused the stir that the Diesel Exhaust Fluid (DEF) has caused.

Some people may think the mandated DEF is a useless government program. Not so, said Mike Phillips, a Southeast Idaho truck salesman.

Philips said new truck owners are telling him they have seen increased diesel motor performance by using DEF as opposed to a filtering system that was used in the past.

Tom Moedl, machinery manager at Valley Implement, takes a nozzle from a DEF tank which holds 5,500 gallons of the fluid. Newer diesel motors have a reservoir that holds DEF and it is filled through a smaller opening next to the regular fuel filler neck hole.

Tom Moedl, machinery manager at Valley Implement, takes a nozzle from a DEF tank which holds 5,500 gallons of the fluid. Newer diesel motors have a reservoir that holds DEF and it is filled through a smaller opening next to the regular fuel filler neck hole.

He said they are seeing increased miles per gallon and better performance using DEF. It’s another added expense, but it should pay for itself over time.

“We are seeing better fuel mileage and more power. There is better airflow with DEF as opposed to the old filter system that restricted air flow,” Phillips said. “Air flow is everything.”

Fred Titensor, manager at Valley Implement, said they are seeing farmers save about 15 percent on their fuel bills. “That’s a big, big deal,” he said.

The cost of DEF is cheaper than diesel fuel, Titensor said.

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