The Ministry of Petroleum and Natural Gases announced that the introduction of BS-VI grade auto fuels in the national capital would be brought forward to April 1, 2018, today. The government has also asked oil marketing firms to examine the possibility of introducing the more refined fuel in the National Capital Region, which includes Gurugram, Noida, Ghaziabad, Faridabad and Muzaffarnagar, by April 1, 2019. The decision has been taken considering the increased level of air pollution in the national capital and regions surrounding it.