Southern Blue Delivering local AdBlue

AdBlue®

AdBlue® is a high-purity, non-toxic urea-based solution used in modern diesel engines to reduce harmful emissions. It works as part of a system called Selective Catalytic Reduction (SCR), helping convert nitrogen oxide (NOx) — a major pollutant — into harmless nitrogen and water vapor.

Made from 32.5% urea and 67.5% deionised water, AdBlue® is not a fuel additive and is stored in a separate tank in your vehicle. It’s essential for keeping diesel engines compliant with strict environmental regulations and contributes to a cleaner, greener Australia.

Southern Blue proudly manufactures certified, high-quality AdBlue® to meet ISO standards, ensuring your engine runs efficiently while reducing its environmental impact

  • AdBlue Emissions

    Environment

    AdBlue® is used in diesel vehicles equipped with Selective Catalytic Reduction (SCR) systems. When injected into the exhaust, it helps convert harmful nitrogen oxides (NOx) into harmless nitrogen and water vapor.

    • NOx is one of the major contributors to air pollution, acid rain, and smog.
    • By drastically cutting NOx emissions, AdBlue® enables vehicles to meet stringent Euro 6 and other global emission standards, making them far more eco-friendly.
    • This directly supports governments’ and companies’ efforts to reduce their carbon footprint and improve sustainability.
  • Southern Blue AdBlue

    Health

    Reducing NOx emissions isn’t just about the environment; it’s also about public health.

    • NOx gases are harmful when inhaled, leading to respiratory problems, asthma, cardiovascular diseases, and even premature death in severe pollution zones.
    • AdBlue® helps protect communities, particularly urban populations who are most exposed to diesel exhaust, by lowering these hazardous emissions.
    • Cleaner air means fewer hospital admissions and overall improvements in quality of life.
  • Diesel and AdBlue

    Vehicle Performance & Fuel Efficiency

    AdBlue® plays a key role in ensuring modern diesel engines can deliver both power and compliance.

    • Engines can maintain higher performance without being restricted by emission-limiting compromises.
    • It prevents engine derating or warning-light issues that occur if emission standards are breached.
    • Vehicles equipped with AdBlue® systems generally enjoy a longer engine life, as the SCR process reduces the strain on internal engine components.
    • Fleet operators also benefit from legal compliance, avoiding heavy fines for non-compliance with emission regulations.
    • Without SCR and AdBlue®, engines would have to run at lower combustion temperatures or with altered fuel-air ratios to reduce NOx — which often means worse fuel economy.
    • With AdBlue® handling the emissions post-combustion, engines can be optimized for maximum fuel efficiency and performance.
    • This translates into cost savings for drivers and fleet operators over time.