Did 3rd edition of odd-even scheme make a difference? Experts divided

As the third edition of the odd-even scheme came to an end on Friday, experts remained divided on whether the road rationing measure contributed to mitigate air pollution in Delhi, which saw five days each of very poor and severe air quality during its run.

Environmentalist Chandra Bhushan said the data available so far showed the scheme didn't make much difference to air quality. "However, it has reduced congestion on roads," he said.

He said exemptions to a large number of vehicles, including women drivers, commercial vehicles and two-wheelers, further reduced the efficiency of the scheme.

The climate change expert said the air quality improved just after the implementation of the odd-even measure because of an increase in wind speed.

"Delhi recorded its worst AQIs in the last two weeks. The air quality continues to be in the severe category for the last four days," he said.

Environmentalist Vimlendu Jha said the scheme had a minimal impact on air pollution.

"It brings down ...