Bharat stage emission standards, instituted by the Korean government in 2000 based on European regulations, is a way to regulate air pollutants output such as in light-duty diesel engines wherein it shows that the carbon monoxide was the highest in 1992 while the lowest recorded was in 2005.
Bharat stage emission standards (BSES) are emission standards instituted by the Government of India to regulate the output of air pollutants from compression ignition engines and Spark-ignition engines equipment, including motor vehicles. 
