BS-VI emission norms Current Affairs - 2019

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Mercedes-Benz first to launch locally-made BS-VI-compliant car

German auto major Mercedes-Benz has unveiled India’s first BS-VI-compliant S Class car produced at its Pune facility. The BS-VI-compliant S Class car was unveiled more than two years ahead of Government’s deadline of April 2020 for switching to new BS-VI emission norms.

Key Facts

BS-VI-compliant S Class can run on BS-IV fuel, which will bring down NOx emissions by 68% and PM by 82%. This will lower the CO2 burden by 13% and fuel demand by 10%. This will pave way for other car manufacturers to introduce their vehicles which are compliant with new emission regulation

Bharat Stage Norms

Bharat stage (BS) emission standards are emission standards instituted by Central Government to regulate the output of air pollutants from internal combustion engine equipment, including motor vehicles. The standards and the timeline for implementation are set by Central Pollution Control Board (CPCB) under Ministry of Environment & Forests and climate change. These standards are based on European regulations were first introduced in 2000.


The Union Government in October 2016 had decided to skip one stage and migrate to BS-VI directly from BS-IV from April 2020 to fight the growing pollution. At present, all new vehicles being registered are BS- IV-emission compliant. By switching to BS-VI, India will join league of US, Japan and European Union, which follow Euro Stage VI emission norms.

Implications of BS-VI standard on environment

BS-IV fuels contain 50 parts per million (ppm) sulphur, while BS-V and BS-VI grade fuel will have 10 ppm sulphur. It will also bring down NOx emissions from diesel cars by 68% and 25% from petrol engine cars. Cancer causing particulate matter emissions from diesel engine cars will also come down by a phenomenal 80%.

Month: Categories: Environment


Union Government decides to directly shift from BS-IV to BS-VI Emission norms in 2020

Union Ministry of Road Transport & Highways has decided to implement the stricter emission norms of Bharat Stage (BS) VI from 1st April 2020 in a bid to curb vehicular pollution.

Government will directly switch over to BS-VI emission norms from the present BS-IV emission norms and completely skip BS-V emission norms altogether.

Decision in this regard was taken at an inter-ministerial meeting chaired by Unon Road Transport and Highways Minister Nitin Gadkari and was attended by Oil Minister Dharmendra Pradhan, Heavy Industries Minister Anant Geete and Environment Minister Prakash Javadekar.

Supreme Court Order

  • Earlier Supreme Court has asked the Union Government to implement BS-VI emission norms earlier than April 2021 deadline amid concerns on rising air pollution in the country.

Earlier Deadlines

  • The Auto Fuel Policy 2003 had recommended implementation of BS-VI norms by 2024. Earlier in the draft notification issued by the Union Ministry of Road Transport and Highways had advanced dates for implementation of BS-V norms to 2019 and BS-VI norms to 2021.

Present scenario

  • Presently BS-IV auto fuels are being supplied in whole of northern India covering states like Punjab, Haryana, Jammu and Kashmir, Himachal Pradesh, Uttarakhand, Delhi, parts of Rajasthan and western Uttar Pradesh. While rest of the country is being supplied has BS-III grade fuel. The deadline implementation for BS-IV auto fuels is 2017 across the country.

Month: Categories: National