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  1. 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.

  2. 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 …

  3. 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.

  4. 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 …

  5. 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.

  6. What is AdBlue: The ultimate guide - basic-tutorials.com

    Jan 26, 2025 · Find out everything you need to know about "what is adblue" - from its composition to correct use. This guide clarifies the most important facts about exhaust gas purification

  7. What Is AdBlue Fluid And Do All Diesel Vehicles Need It?

    Jul 6, 2025 · You've surely heard of brake fluid, fuel, and lots of other liquids needed to run a diesel vehicle. But what's AdBlue fluid? And do all diesel vehicles need it?

  8. 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 …

  9. What is AdBlue? Your complete guide - MSN

    If you've seen bottles of AdBlue at filling stations and wonder what it's for and whether your car needs it, our guide will tell you everything you need to know.

  10. What is Adblue, what does it do, how much is it and does my

    Mar 26, 2025 · AdBlue is used to clean up the exhaust emissions of modern diesel cars – we cover everything you need to know