What Is Diesel Exhaust Fluid (DEF)? Facts You Need To Know

Since 1970, the Environmental Protection Agency (EPA) has made significant efforts to regulate the emissions of nitrogen oxides (NOx) from heavy vehicles. In 2010, engineers introduced diesel exhaust fluid (DEF) as an effective after-treatment solution for selective catalytic reduction systems.

Today, the EPA mandates that all medium to large vehicles with diesel engines must have integrated DEF technology. This post will help you understand this fluid and why it is so important. Explore mobile diesel repair service options in the Bay Area to learn more about this technology.

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