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How to differentiate BSIII and BSIV

How to differentiate BSIII and BSIV

Snapshot: Supreme Court of India has banned the sale of BSIII two-wheelers post 1st April.This came out to be a huge shock to two-wheeler industry but a major step towards a greener tomorrow.

It’s the latest talk of the town, BSIII two-wheelers are going to phase out by 1st April. While everyone is talking about it only a few know what the real difference is between a BSIII and a BSIV vehicle.  

What’s the story behind BSIII/BSIV and what exactly does it mean?

BS stands for Bharat Stage and it was first introduced in the year 2000 based on European regulations. The following years saw the execution of stricter emission standards. BSIII or Bharat Stage III emission norm was introduced for the first time in 2005, 15 major Indian cities were selected for its implementation and by the year 2010, it was enforced in all Indian cities.

Latest and most advanced form or emission standard is the BS/Bharat Stage IV which will be seen in effect from 1st April. After this date, all the auto manufacturers will be held from selling any vehicle which doesn’t comply with the BSIV emission standard.

How is BSIII different from BSIV?

The emission from a petrol powered BSIII two-wheeler is supposed to have carbon monoxide (CO) restricted to 1.00 g/km and Hydrocarbon + Nitrous oxide (HC + NOx) emission level should not exceed 1.00 g/km.

When talking about a BSIV compliant two-wheeler, its emission should not contain more than 0.75 g/km of CO and HC+Nox respectively.

What do experts say about this shift?

Vinod Dasari, MD, Ashok Leyland Limited said, “Auto Industry has had the capability of making BS4 vehicles since 2010, but the lack of proper BS4 fuel prevented it from selling such vehicles, nationwide. Running a BS4 vehicle with BS3 fuel can cause severe problems to some vehicles."

"While no one pushed for BS4 fuel availability for 7 years to change over faster, this sudden decision – just a few days before the changeover - is rather unfortunate as it causes undue stress on the entire industry, and causes loss of jobs. Auto Industry, anywhere in the world, requires a stable and predictable policy which allows for long-term planning and investments" Vinod Dasari added.

While many of manufacturers have successfully cleared the stock of the BSIII two-wheelers by providing timely offers and discounts, some, on the other hand, are looking forward to exporting the BSIII stocks to the international markets. Auto manufacturers are also converting the existing BSIII vehicles into BSIV. Though this shift will result into a healthier tomorrow but presently it has caused quite a stir in the Indian two-wheeler market. 

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