‘BS-IV diesel cars emit at least 1,000 times more ultrafine particles than BS-VI vehicles’. ‘BS-IV diesel cars emit at least 1,000 times more ultrafine particles than BS-VI vehicles’. However, the NOx emissions are much higher from a diesel car,” the study states. Further, BS-IV diesel cars emit at least 1,000 times more ultrafine particles than BS-VI vehicles, according to the study. The study notes that OBD in BS-IV diesel cars is unable to detect problems with several aspects of emission control system.

Source: Indian Express August 13, 2017 00:00 UTC