The Science Of Diesel Emissions Reduction
 

The Science Of Diesel Emissions Reduction
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Water-Methanol Injection Versus Urea Injection and EGRIn 2010, diesel engine manufacturers set a precedent when many of them added urea injection aftertreatments to their exhaust systems. This emissions solution meant another tank of fluid to fill (at about $3.00 per gallon), coolant lines running to a reservoir to keep the urea from freezing, urea injectors and electronics to control them, and an extra catalytic converter to complete the reaction. The result was a system many of you dread—but it has proven to be brutally effective at removing NOx emissions from the tailpipe of diesel trucks.



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