Delhi begins car restriction plan to tackle pollution

An example of regulation to reduce market failure from Aljazeera
http://www.aljazeera.com/news/2016/01/delhi-begins-car-restriction-plan-tackle-pollution-160101075758595.html and http://www.aljazeera.com/news/2016/01/delhi-cars-odd-formula-india-pollution-160103075511009.html
and this video from the BBC
http://www.bbc.co.uk/news/world-asia-35209120