The BS-VI fuel is estimated to bring around an 80 per cent reduction of ________

The BS-VI fuel is estimated to bring around an 80 per cent reduction of sulphur, from 50 parts per million to 10 ppm. According to analysts, the emission of NOx (nitrogen oxides) from diesel cars is also expected to come down by nearly 70 per cent and 25 per cent from cars with petrol engines.