- According to Indian Oil Corporation (IOC),supply of ultra-clean BS-VI grade petrol and diesel has begun in cities adjoining Delhi.
- In April 2018,Delhi became the first city in the country to switch from BS-IV grade petrol and diesel to BS-VI fuels.Further,cities in the national capital region like Noida and Ghaziabad has switched over to the cleaner fuel from April 1st,2019.Rest of the country will follow suit from April 2020.
- Bharat Stage(BS) are emission standards instituted by the Government of India based on European regulations.
- The objective is to regulate the output of air pollutants from internal combustion engine equipment.The higher the fuel standard a vehicle complies with,the less polluting it is.
- The standards and the timeline for implementation are set by the Central Pollution Control Board under the Ministry of Environment & Forests and Climate Change.
- The main difference between BS-IV and BS-VI (Which is comparable to Euro 6) is in the amount of sulphur in the fuel.BS-VI fuel is estimated to bring around an 80% reduction in sulphur content –from 50 parts per million (ppm) to 10 ppm.
- According to analysts,Nitrogen Oxide(NOx) emissions from diesel cars are expected to come down by nearly 70% and from cars with petrol engines by 25% after the implementation of BS-VI fuel.
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