Correct Answer - Option 3 : EURO - 6

The correct answer is EURO - 6

​ INDIA BHARAT STAGE VI EMISSION STANDARDS

•  On January 6, 2016 the Indian Ministry of Road Transport and Highways (MoRTH) announced its decision to leapfrog from BS-IV to BS-VI emission standards in an accelerated fashion, with full implementation of BS-VI level emission standards beginning in 2020.
  • This announcement was supported by corresponding actions taken by the Ministry of Petroleum and Natural Gas (MoPNG) to ensure a nationwide supply of BS-VI fuel along with the proposed BS-VI emission standard implementation date of April 1, 2020.
  • The announcement by the MoRTH effectively withdrew a draft regulatory roadmap released in November 2015 that proposed the adoption of BS V and BS VI emission standards in 2019 and 2021, respectively.
  • The proposed BS-VI regulation will be the first global instance of leapfrogging from the Euro 4/IV level directly to Euro 6/VI level motor vehicle emission standards.
  • This precedent-setting step marks a new path forward for all developing country markets to follow to accelerate the adoption of clean vehicle technologies and fuels.
  • The notification came at a time when many Indian cities are struggling with severe air-quality problems and is an important step in addressing these issues.