In the year 2000, the Ministry of Environment, Forest and Climate Change with the Central Pollution Control Board implement emission standards for taking care of the pollutant outputs from motor vehicles. Starting with India 2000 in the year 2000, the first-ever emission norm was introduced. Then BS2 in 2005, BS3, in 2010, BS4 in 2017, and the upcoming BS6 in 2020, the emission standards have been regulated and improved in the past twenty years. The government and the concerned ministry are trying to reduce the emission of harmful gases from combustion engine vehicles in every stage.
BS4 Emission v/s BS6 Emission normsThere were no major changes from BS3 to BS4 emission norms. Bharat Stage 4 predominantly focussed on decreasing the Nitrogen Oxide (NOx) based emissions. Hence, the manufacturers decided to increase the size of catalytic converters in the combustion engine vehicles. It reduces the NOx emissions. Also, BS4 includ…