Multiple choice general knowledge BS - III Expand it? Bharat Stage - 3 Best Score - 3 Best Sale - 3 none Reveal answer Fill a bubble to check yourself A Correct answer Explanation BS-III stands for Bharat Stage-III, which are emission standards introduced by the Indian government to regulate air pollutants from internal combustion engines. These standards are based on European emission norms and were implemented in 2000-2005.