Diesel Exhaust Fluid
Diesel Exhaust Fluid (DEF), also called Urea, AdBlue, or AUS 32, is essential for BS4/BS6 vehicles. Its use is expanding across trucks, buses, and soon passenger vehicles, driving a rapidly growing industry.
Diesel Exhaust Fluidcommonly known as DEF and even locally named as Urea in transportation language.
In Australia, the same fluid is named as AUS 32 and Adblue in European countries.
This is something a new type of chemical or lubricants which is now second most consumed item after diesel in Commercial range of vehicles.
In India, Post April 2017 when Govt of India implemented BS4 technology with new emission norms by which this chemical came into existence. DEF is a combination of water and technical urea in a gradient of 32.5% Urea is like a liquid which was earlier used 4-5% of 100 liter diesel consumption in BS4 which is now 8-10% in BS6. The liquid is sprayed via a SCR kit used in vehicle which helps to clean harmful exhaust gases passing out into environment.
The future industry of this chemical is so huge that we can understand that whatever trucks and buses which got on road post April 2017 needs this for operating the vehicle. Till April 2020 Ashok Leyland which is India's second largest HCV manufacturer was using EGR technology which is exhaust gas recirculation in which this DEF was not needed, but post April 2020…
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