Ban on sale of diesel vehicles
The Central Pollution Control Board (CPCB) had carried out source apportionment studies in the year 2007 in six cities namely Bangalore, Chennai, Delhi, Kanpur, Mumbai and Pune. As per the studies, the ambient air quality data of these cities in respect of Particulate Matter (PM10 ) revealed that contribution due to all vehicles is ranging from 2% to 48% (Bangalore : 11-23%, Chennai : 35-48%, Delhi : 9-21%, Kanpur : 15-17%, Mumbai : 8-26%, and Pune : 2-10%). The Environment Pollution (Prevention and Control) Authority (EPCA) for the National Capital Region (NCR) in the year 2007 filed a detailed report titled “Controlling Pollution from the Growing Number of Diesel Cars in Delhi” in the Supreme Court in Writ Petition (C) 13029/1985. In the report, EPCA has recommended to the Hon’ble Court that there is a need to ban the use of diesel in cars in Delhi. The EPCA in another report in 2012 has stated that the benefits of Compressed Natural Gas (CNG) transition are not visible due to growth in diesel vehicles, because diesel vehicles are known to emit higher smoke, particles and Nitrogen Oxides (NOx) than petrol fuelled cars. The EPCA has also observed that in Delhi the growing number of vehicles particularly the diesel vehicles is negating all efforts made to reduce air pollution by phasing out diesel buses and converting them to CNG mode.
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