Category Archives: Diesel Exhaust Fluids

Diesel Exhaust Fluid

Diesel Exhaust Fluid (DEF) is a solution that when injected into the exhaust stream of a diesel engine lowers the harmful nitrogen-oxides that are emitted. Obviously using DEF is great for the environment since it reduces the release of pollutants but it also will create better fuel efficiency for your diesel fuel vehicles by creating higher oxygen levels in the combustion process.

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