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How Hong Kong 'Sees' Invisible Tailpipe Emissions and Pulls Polluters Off the Road

How Hong Kong 'Sees' Invisible Tailpipe Emissions and Pulls Polluters Off the Road

Science Quickly

February 25, 20223m 41s

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Show Notes

The city has deployed a system of sensors to flag highly polluting vehicles. Nearly all of them have been repaired, helping to clean Hong Kong’s air.

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