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… Continue reading 12 NCR districts, Agra switch to BS-VI fuel