* EVs are not a solution to air pollution, most air pollution from modern cars is from brakes and tyres.

* OTOH, China is really ahead in battery-powered 2-wheelers, that replace the old scooter fleet, and that ought to do something.

* Still, China's air pollution is for the main part due to massive use of coal power, incinerators, and desertification bringing sand from Gobi desert. The linked study from grand-parent doesn't even mention any of these.