The Commission for Air Quality Management (CAQM) has asked the Supreme Court to revisit its August 12 direction protecting owners of 10-year-old diesel and 15-year-old petrol vehicles from coercive action in Delhi, citing the Capital’s worsening pollution levels and the disproportionate emission load from older vehicles.

The court’s August ruling had effectively paused the implementation of its October 2018 order, which upheld a 2014 National Green Tribunal judgment to bar ageing, polluting vehicles from Delhi roads. That framework sought to keep end-of-life vehicles (ELVs) off the streets as part of a broader effort to tackle noxious air in the NCR.

In a report submitted to the Supreme Court, the CAQM compared the emissions of BS-III and earlier vehicles with BS-VI compliant models. It

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