7 Frequently Asked Questions about Diesel Exhaust Fluid (DEF)
The Canadian Environmental Protection Agency (CEPA) and the US Environmental Protection Agency (EPA) have legislated that emissions of NOx from diesel engines be reduced significantly. OVERVIEW The legislated emissions of nitrogen oxide (NOx) have led to the Selective Catalytic Reduction (SCR) technology and Diesel Exhaust Fluid (DEF). We’re here to answer your seven most frequently asked questions about DEF. 1: What is DEF? DEF is a non-toxic fluid composed of purified water…