Diesel Exhaust Fluid (DEF): The urea solution for diesel engines

Diesel Exhaust Fluid (DEF) Diesel exhaust fluid (also AdBlue) is a standardized urea solution consisting of a urea-water mixture. It is used to reduce nitrogen oxide emissions in diesel engines, which is achieved by a cathalytic reduction. Actually, you need ammonia, which is not easy to use in its pure form. Therefore, harmless urea is used, which […]