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What engines need AdBlue? Why don’t all diesel use Adblue? Can I use distilled water instead of AdBlue?

AdBlue, also known as Diesel Exhaust Fluid (DEF), is a crucial component in the world of diesel engines. It is used to reduce harmful nitrogen oxide (NOx) emissions, particularly in vehicles that have to comply with strict emission standards.

However, there are often questions about whether there are alternatives to AdBlue, such as using distilled water. In this article, we will explore the role of AdBlue, why not all diesel engines use it, and whether distilled water can be a substitute.

What engines need AdBlue?