Order of the National Green Tribunal in the matter of Subhas Datta Vs State of West Bengal & Others dated 27/11/2018 regarding the alarming adverse air quality of Kolkata City which was stated to be highly polluted during the period commencing from mid-October to February end. The principal reason for the bad ambient air quality in the city of Kolkata and Howrah was identified to be auto emission apart from road dust, construction activities, burning of municipal waste and industrial wastes including plastics, population of DG sets and industrial emissions.

Motorcycles are a dominant form of transport in many cities, especially throughout Asia. This Sourcebook describes the challenges of this trend and provides an overview on measures to counter the rising emissions from two-stroke two-and three-wheelers in developing cities.

Order of the National Green Tribunal in the matter of Saloni Ailawadi Vs Union of India & Others dated 16/11/2018 regarding pollution caused by Volkswagen India Pvt. Ltd. and Skoda Auto India Private Limited.

Judgement of the Supreme Court in the matter of M. C. Mehta Vs Union of India & Others dated 24/10/2018 on whether Bharat Stage IV compliant vehicles should be permitted to be sold in India after 31.03.2020.

Order of the National Green Tribunal in the matter of Vinay Shivanand Nayak Vs. State of Karnataka & Others dated 26/09/2018. The principal question requiring determination in this case is as to whether the State of Karnataka should be permitted to continue with the use of BS-II and III compliant public transport vehicles and also the incidental question as to whether permission should be grant for purchase of 1000 number of BS-IV compliant public transport vehicles as prayed for on behalf of the State Transport Corporation.

On May 30, 2018, Canada published final standards to reduce greenhouse gas (GHG) emissions from new on-road heavy-duty vehicles. The new regulation is part of Canada’s economy-wide commitment to reduce GHG emissions 30% by 2030 compared to a 2005 baseline.


The China VI standard is among the world’s most stringent HDV emission standards and combines best practices from both European and U.S. regulations. It will be a key pathway to clean up diesel emissions and is therefore a critical step toward winning the war against air pollution in China.

In 2015, diesel cars accounted for 41.3% of the total passenger car fleet in Europe. While harmonized emissions limits are implemented at the EU level, on-road emissions of diesel cars have been found to be up to 16 times higher than those measured in test stands.

Government of India has notified migration to Bharat Stage VI (BS VI) emissions norms for 2, 3 and 4 wheeled vehicles from 1st April 2020.

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