BS 3 Vehicles Banned By  Court

Recently on march 29 court asked to ban sale of BS 3 vehicles from starting of April 1 2017. BS 3 is Bharat stage 3, norms that are emission standard for vehicles for the output of pollutants from vehicle engine(basically internal combustion of engine).

What are Bharat stage norms or BS norms?

Bharat stage norms are emission standards adopted by government to regulate vehicle manufacturer to change in their engines manufacturing so that the emissions of pollutants from the vehicle can be checked.

BS norms are based on euro norms that define the amount or limit of the pollutant released from the vehicle due to combustion. Pollutants regulated are basically co2, nitrogen oxide, sulfur and particulate matter. If vehicles emit more than the limit prescribed, it can’t be sold in Europe. The origin of euro norms can be traced back from 1970 but euro norms 1 were implemented from 1992.

By order of Supreme Court in 1999 all the vehicles in India were to have BIS 2000 i.e. Bharat stage 1 norms by June 1999. By considering court order government later notified In 1999, the government had notified Bharat Stage I (BIS 2000) and Bharat Stage II vehicle emission norms which are equivalent to Euro I and Euro II respectively in NCR and metros and remaining India too.

Later on in 2002 a committee named as Mashelkar committee recommendation came our for the roadmap of implementation of BS norms in India in a phased manner. in year 2003 national auto fuel policy 2003 was launched and in line with the policy BS 2 and BS 3 Vehicles emission norms were implemented.

BS norms explained:-


Changes to be made:-

indian express.jpg

(Photo courtesy:-Indian express newspaper)

Similarly, BS IV and BS III norms came into effect from April 2010. Later in 2014 Sumitra choudhary committee  made various recommendations including a Roadmap for phased introduction of BS-IV and BS-V Auto Fuels in the entire country

Norms prescribed are in accordance to timeline and standard setup by the Central Pollution Control Board. India follows European emission norms with a lag of five years  .

Now BS 4 is applied in major cities with BS 3 norms across the country.

BS 4 was to be adopted by 2017, BS 5 by 2020 and BS 6 by 2024

But the concern is availability of BS standard fuel

Government  aimed  to implement Bharat Stage- VI fuel in the country by 2020. It intends to skip BS-V.

The Ministry of Petroleum and Natural Gas has set a deadline of 2017 by which time all the vehicles in the country must be BS-IV-compliant and 2020 for the rollout of BS-VI fuel.

Benefit of BS norms:-

merits of emission regulation.jpg

Government skipping BS V?

  • Use of hydrocarbon is growing rapidly and it is imperative that technology moves apace to ensure the damage to the environment is limited.


  • Availability of compliant fuel
  • Auto industry switch to new engines technology with BS4 norms

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