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Ing. Ladislav Luka, Fuel expert

Everything You Need to Know About AdBlue

If you're planning to buy a diesel vehicle, you may have heard about AdBlue and its importance, but you might be unsure what it is and why you need it. AdBlue is a product you should know about before buying a diesel car. This is why we put together this article to discuss the ins and outs.

Everything You Need to Know About AdBlue

First, we will start by explaining what AdBlue is and what it is used for, and then we will go into more detail about its benefits. So, keep reading to get the full information about AdBlue.

AdBlue: What Is It?

AdBlue is a liquid fluid for newer diesel vehicles with a Selective Catalytic Reduction (SCR) exhaust treatment system. It is a liquid that mixes with the fumes created by our car engines to reduce the amount of harmful Nitrogen Oxide (NOx) released into the atmosphere. It is harmless but only suitable for diesel-powered vehicles built after 2015.

What Is AdBlue Used For?

In order to comply with European rules for gas emissions (Euro 6 standard), car makers needed to find a better way to reduce the air pollution car engines produce. They decided to equip their vehicles with SCR technology which allows them to add diesel exhaust fluids like AdBlue into the exhaust system, reducing the introduction of harmful substances into the atmosphere. When inserted into an exhaust system, it breaks down the toxic Nitrogen Oxide gas and converts it into harmless nitrogen and water. 

Keep in mind that AdBlue is not a fuel additive but a specific brand owned by the German Association of Automotive Industry.

What Is AdBlue Made Of?

You might have heard the rumor that AdBlue is just pig urine, but that is not true. It is actually a liquid made of deionized water and urea (a substance found in urine). All AdBlue is made to specific standards. For example, it contains 32.5% urea and 67.5% deionized water. The primary function of deionized water is to help turn the solid urea, which is composed of colorless crystals, into a liquid solution that will be poured into the exhaust system. 

AdBlue has no color, no smell, and no hazardous effects. So, even though it contains urea, it won't have a urine-like odor when used. However, you must store it carefully because it can corrode when it comes into contact with some metals.

Why and When Should You Use It? 

You should use AdBlue because it is a product that reduces air pollution and promotes a healthier life. This is because most diesel-powered cars release a significant amount of Nitrogen Oxide (NOx), a harmful gas, into the environment. 

When inhaled regularly, it can damage your respiratory system, reduce lung function, and increase the chance of developing respiratory illnesses. It also promotes the formation of fine particulate pollution, which is harmful to humans and plants. When used properly, however, AdBlue can reduce the amount of NOx that your car emits while in motion. 

Keep in mind that you must use AdBlue if your car is fitted with it. If you fail to refill it at the appropriate time, the car will refuse to start, and you will need to call a professional to fix it. So, always ensure you refill it whenever it is low.

What Are the Benefits of AdBlue?

AdBlue provides many  benefits, including the following:

  • Reduces harmful emissions by as much as 90%, making it an important tool for improving air quality
  • increases your car's MPG (miles per gallon)
  • Environmentally friendly and classified in the safe minimum risk category for transportable fluids in the UK
  • Safe to handle and easy to store
  • Non-flammable
  • Reduces the negative impact of your vehicle on the environment and helps your business achieve greener goals

How Does AdBlue Affect Fuel Consumption?

AdBlue is a diesel exhaust fluid that lowers the amount of NOx emitted from car exhaust. It has no impact on a vehicle's efficiency or performance. It is merely a substance which improves the effectiveness and cleanliness of diesel engines.

How to Refill AdBlue?

The AdBlue port is either underneath the hood or near the fuel tank. It has a bright blue cap with the name written on it so you don't accidentally put it in the wrong port. When it runs low, a warning light on your dashboard will flash, indicating that you should refill it. However, you should avoid spilling it on the vehicle because it can damage the paint. If this happens, clean the area immediately with water.

How to Store Adblue?

Follow the following steps to store Adblue properly:

  • Store the container in a cool place.
  • Seal the container well when you are not using it. 
  • Do not let the container overheat or freeze.
  • Protect it from direct sunlight.
  • Store AdBlue in an area that is not below -11°C because it can freeze at this temperature.
  • If it gets frozen, allow it to get warm before use.

Is AdBlue Dangerous?

AdBlue is water soluble and non-hazardous. It reduces exposure to gas, posing a risk to humans and plants. If you are concerned about the level of greenhouse gas emissions your vehicle produces, you should certainly consider purchasing a vehicle which supports the use of AdBlue.