Taking into account the serious pollution levels in Delhi and adjoining areas, the Petroleum Ministry in consultation with Public Oil Marketing Companies has decided for preponement of BS-VI grade auto fuels in National Capital Territoty of Delhi from 1st April next year instead of 1st April 2020. <br/><br/>This is part of government's concerted efforts to reduce vehicular emissions and improve fuel efficiency with an aim to reduce the carbon footprints and keep a healthy environment. India has followed the regulatory pathway for fuel quality and vehicle emissions standards termed as Bharat Stage or BS.