Diesel exhaust fluid - Wikipedia
Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue[3]) is a liquid used to reduce the amount of air pollution created by a diesel engine.
What is AdBlue? AdBlue Diesel Exhaust | The AA
AdBlue is a liquid that’s added to diesel vehicles exhaust to help reduce harmful exhaust emissions (NOx). It turns harmful pollutants into harmless gases that do less damage to the …
Your Guide to AdBlue - What It Is, Who Needs It, and How to ...
Aug 17, 2024 · What is AdBlue (aka diesel exhaust fluid - DEF) In a nutshell, AdBlue is a liquid substance that can be used in diesel engines with selective catalytic reduction.
AdBlue®: What is it? What does it do? - Adblue-guide.com
AdBlue® is an aqueous solution designed exclusively for diesel vehicles fitted with a selective catalytic reduction (SCR) system. This technology has enabled diesel vehicle manufacturers to …
What Is AdBlue and How Does It Work? - CarParts.com
Nov 26, 2025 · AdBlue is a diesel exhaust fluid (DEF) that helps reduce a diesel vehicle’s NOx exhaust emissions. It’s stored in a tank with a blue filler cap, which is separate from the fuel tank.
AdBlue Fuel: What is it, How Does it Work & Where to Buy?
Aug 16, 2022 · In simple terms, AdBlue is a liquid designed to reduce the amount of emissions generated from modern diesel engines. Technically-speaking, AdBlue is a solution made from …
AdBlue® Explained: A Comprehensive Guide for Diesel Vehicle ...
May 20, 2025 · AdBlue®, a diesel exhaust fluid (DEF), plays a vital role in helping diesel vehicles meet stringent emission standards. This guide delves into what AdBlue® is, how it works, and …