Diesel Exhaust Fluid (DEF), which facilitates the selective catalytic reduction process, is known by a more popular moniker. It specifically aims to lower the nitrogen oxide (NOx) level of your exhaust. In essence, your exhaust system's sensors keep an eye on the composition of your exhaust gases. Diesel Exhaust Fluid is pumped into the exhaust system when necessary. A reaction is brought on by this fluid, which is a urea and distilled water solution. Ammonia, which is included in urea, interacts with nitrogen oxide inside of a catalyst to degrade it. So, nitrogen and water exit the exhaust instead of nitrogen oxide. Diesel-powered vehicles have been able to continue on the market in some markets because to this technology, but it has also enabled manufacturers to crank up the heat with effective and high-performance diesel-powered automobiles.
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