SCR Technology

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SCR Technology

SCR, or selective catalytic reduction, technology was developed in 1957 as a way to effectively reduce nitrogen oxide emissions into the environment. Nitrogen oxide (NOx) is produced from the exhaust of diesel vehicles and is a major contributor to smog and other air pollution. Exposure to NOx can also lead to respiratory and heart disease. This is why in 2010, the U.S. Environmental Protection Agency (EPA) mandated that all new diesel engine vehicles include technology to reduce NOx emission levels by 90%.

The use of SCR technology can reduce NOx emissions by up to 95%. As a result, SCR technology is quickly becoming the industry standard on new diesel vehicles. The combination of DEF and SCR technology not only reduces NOx emissions, it actually improves a vehicle’s horsepower by making diesel engines run more efficiently, resulting in fuel savings of up to 8%.



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