"The Impact of Diesel Exhaust Fluid on Fuel Efficiency and Engine Performance"

The global Diesel Exhaust Fluid (DEF) market size was USD 34.40 Billion in 2022 and is expected to register a steady revenue CAGR of 7.9 % during the forecast period, according to latest analysis by Emergen Research. Rising demand for Diesel Exhaust Fluid (DEF) owing to strict emissions regulations by governments of several countries is a major factor driving market revenue growth. The United States Environmental Protection Agency (EPA) has set regulations under Clean Air Act to limit emissions of Nitrogen Oxides (NOx) and other pollutants coming from heavy-duty diesel engines. EPA also has regulations, such as Cross-State Air Pollution Rule (CSAPR) and National Ambient Air Quality Standards (NAAQS), for power plants and industrial sources. Many manufacturers of diesel engines, particularly in the transportation industry, have begun equipping their engines with DEF systems for meeting these emissions regulations, which is expected to drive revenue growth of the market.  In addition, adoption of DEF along with rising demand in the commercial vehicle industry is expected to drive market revenue growth over the forecast period. This, in turn, will lead to more investments in production, distribution, and storage of DEF. However, shortages of DEF owing to price hike in urea is a major factor restraining market revenue growth. Globally, shortages of Diesel Exhaust Fluid (DEF) owing to increase in price of urea, is also restraining market revenue growth. Moreover, manufacturing shortages in Europe, disruptions caused by sanctions against Russia and Belarus, and trade restrictions in China, have also affected revenue growth of the market.

Diesel Exhaust Fluid (DEF) is a non-toxic, colorless, and odorless solution that is used in diesel engines to reduce harmful emissions. It is a mixture of high-purity urea and deionized water, and is also known as AdBlue, AUS 32, or Arla 32.

When DEF is injected into the exhaust stream of a diesel engine, it breaks down into ammonia, which reacts with nitrogen oxides (NOx) in the exhaust gas to form harmless nitrogen and water vapor. This process is known as Selective Catalytic Reduction (SCR) and it is used to meet emissions standards set by governments and regulatory bodies around the world.

DEF is commonly stored in a separate tank on diesel vehicles, and is injected into the exhaust system using a metering system. The amount of DEF used depends on various factors such as the engine size, operating conditions, and load. Vehicles equipped with SCR systems typically require DEF refills every 3,000 to 5,000 miles.

It is important to note that using low-quality or contaminated DEF can cause damage to the SCR system and lead to increased emissions. Therefore, it is recommended to only use DEF that meets the ISO 22241 standard and is stored properly to prevent contamination.