Diesel vehicle emission control device that traps and incinerates diesel particulate emissions after they are exhausted from the engine but before they are expelled into the atmosphere.

generic term for a broad class of chemically and physically diverse substances that exist as discrete particles (liquid droplets or solids) over a wide range of sizes. A NAAQS pollutant.

Group of saturated aliphatic hydrocarbons, including methane, ethane, propane, and butane and noted by the suffix "-ane".

Fuels designed by the Pure Fuel Corporation to run in E85/gasoline flexible fuel vehicles. Added by DOE after EPAct as an alternative fuel.



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