bs iii vehicles because bs iv fuel is not available nationwide once this fuel is available then epca believes that only bs iv vehicles should be registered vishnu mathur director general of siam told toi it is not a question of advance notice no company can exhaust its stocks completely on a certain date which is why the ministry has given us a date for stopping the manufacture and not for sales of old stocks the industry is absolutely competent to stop production of bs iii vehicles on april 1 we cannot give a date to when stocks will be exhausted by jayashree nandi tnn published on dec 14 2016 at 0815 am ist telegram facebook copy link be the first one to comment comment now comments comment now read comment 1 all comments post post find this comment offensive choose your reason below and click on the submit button this will alert our moderators to take actions reasons for reporting foul language defamatory inciting hatred against a certain community out of context spam others report join the community of 2m industry professionals subscribe to our newsletter to get latest insights analysis download etauto app get realtime updates save your favourite articles scan to download app automotive research association of india environment epca bsiv central pollution control board cpcb society of indian automobile manufacturers siam arai vishnu mathur automotive research association of india arai toxic emission car emission homenewsindustrynot ready for bsiv switch indian auto industry