Emission standards in India

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Emission standards in India are emission norms instituted by the Government of India to regulate the output of air pollutants from internal combustion engines. These include the 'Bharat stages' of progressively tighter limits on compression ignition engines and spark-ignition engines equipment, including for motor vehicles. The standards and the timeline for implementation are set by the Central Pollution Control Board under the Ministry of Environment, Forest and Climate Change. The standards, based on European regulations, were first introduced in 2000. All new vehicles manufactured after the implementation of the norms have to be compliant with the regulations. In October 2010, Bharat stage (BS) III norms were been enforced across the country. In 13 major cities, Bharat stage IV emission norms were in place since April 2010 and were been enforced for entire country since April 2017. In 2016, the Indian government announced that the country would skip the BS V norms altogether and adopt...

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