Draft Report Says 60% Of Bad Air In Winter Due To Vehicles, Norm Must Be Enforced By 2020
IIT Kanpur has recommended that Euro VI fuel standards be introduced in Delhi at the earliest in order to check the rising air pollution. It has also recommended that LPG be considered as an alternative and coal burning in power plants or otherwise be stopped completely .The IIT Kanpur team recently submitted a draft report which said that vehicles are responsible for 60% of the air pollution in winter.The report, which is based on modelling exercises and on real-time data collected over two-and-a-half years between 2012 and 2015, will be finalised in December once Delhi government officials meet Professor Mukesh Sharma, the lead investigator of the study . “Vehicles are a major source of pollution in winter and IIT Kanpur has given us a list of recommendations but we have to see which of these can be implemented quickly,“ said Ashwani Kumar, secretary environment, Delhi government.Euro VI norms call for 10 ppm sulphur in diesel compa red to 50 ppm sulphur stipulated by the Euro IV standard, which is being used now.“Even if we consider the present growth rate of vehicles in Delhi, as many as 5 million new vehicles will be added to the existing fleet of 8 million.So implications of not having Bharat Stage VI in PM and NOx emission load will be enormous in terms of health damage. Also, remember the future stock will remain on road for at least 10 years. In view of this, the government should not ignore IIT’s recommendations and must bring BS VI not later than 2020,“ said Vivek Chattopadhyay of Centre for Science and Environment (CSE).
However, the Auto Fuel Policy Committee for 2025 has recommended Euro V be implemented by April 2020 and Euro VI by April 2024. But International Council on Clean Transportation (ICCT) in a letter to the ministry highlighted that implementing Euro V may not address high emission of nitrogen oxides from heavy duty vehicles that can cause emphysema, bronchitis and heart disease.
Gufran Beig, project director, SAFAR under ministry of earth sciences, said the IIT report may be highlighting the impact of various seasons on pollutants.“The reason vehicular emissions are higher in winter is probably because fine particles cannot disperse due to lower boundary layer. The emissions will be the same in summer as well,“ he said.Prof Sharma could not be reached for comments.
The environment department has decided to make the draft report public soon.
Meanwhile, a blanket of smog covered the city on Friday as the air quality deteriorated once again and the moisture in the air seemed to trap the particles very close to the surface. Even though PM 2.5 (fine, respirable particles) levels were going up to 400 micrograms per cubic metres in certain places.
“There is a lot of moisture in the air causing fog. Sunday onwards pollution levels may reduce because minimum temperature may increase,“ Beig added.