Supreme Court bans sale of BS-III emission norm vehicles from April 1

Supreme Court's verdict means only cars with BS-IV norms can be sold. Photograph:( Reuters )

WION New Delhi Mar 29, 2017, 09.18 AM (IST)

Supreme Court today dismissed the plea of auto manufacturers and banned the sale and registration of vehicles with BS-III emission norms. The apex court's move means only cars with BS-IV emission norms can be sold in the country.

The Supreme Court said the health of the people is more important than the commercial interest of automobile companies.

The move is likely to affect the sale of upto 8.5 lakh vehicles in India. Supreme Court's directive comes into effect from April 1. 

A bench of Justices Madan B Lokur and Deepak Gupta prohibited registration of any vehicles which do not meet the Bharat Stage-IV emission norm standards from April 1.

Difference between BS-III and BS-IV, VI
·         Introduced in 13 Indian cities in April 2005 for all vehicles (except two-wheelers) link
·         Entire country covered by April 2010.
·         Cars using petrol could give out regulated pollutants at rate of 2.65 g/km driven according to BS-III norms. (link)
·         BS-III petrol is allowed to have up to 150 parts per million (ppm) sulphur and BS-III diesel is allowed to have 350 ppm sulphur. 

BS-IV and VI
·         BS-IV norms introduced in 13 cities in April 2010, BS-V standards skipped, straight to BS VI.
·         In BS-IV, Cars using petrol will give out regulated pollutants at rate of 1.18 g/km and in BS VI cars will give them out at rate of 1.16 g/km driven. (link)
·         BS-IV petrol and diesel both have 50 parts per million sulphur, BS-VI has 10 ppm sulphur.