This is unlike a gas engine, which uses spark ignition to burn petrol.Ĭome 2010, all new diesel-powered pickups will have to meet tougher federal diesel emission standards that will reduce allowable nitrogen oxide levels by 90 percent from today and by 96 percent from 1994.
It's a byproduct of diesel 's high combustion temperatures, which results from the high frictional heat levels created by compressing air in the cylinders to the point where it can ignite diesel fuel without using a spark. NOx is a major air pollutant that contributes to smog, asthma, and respiratory and heart diseases. It turns out that urea, which is being sold under the more marketable name "diesel exhaust fluid ",is also a chemically efficient way to reduce nitrogen oxide emissions produced by diesel engines.
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Urea is the same organic compound found in urine, which has forced drivers (at least most drivers) to pause for bio-breaks ever since the car was invented.
Soon, many will have to think about making pitstops for another fluid: urea. They crave diesel 's high torque at low rpms and extended driving range between fill-ups. I t's been said that heavy-duty pickup truck owners who haul and tow frequently have diesel running through their veins. Pickups though the Ram 3500, 45 cab chassis trucks will use urea The new 2010-2011-2012 Ram Heavy Duty 2500Īnd 3500 pickup trucks carry over the same urea-free NOx reduction system that
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