I'm not sure EVs are going to make a difference unless they move from coal plants to something else.
https://en.wikipedia.org/wiki/The_long_tailpipe
http://www.casteyanqui.com/ev/longtailpipe/
Mr Musk's criticism of it is in here https://www.tesla.com/blog/secret-tesla-motors-master-plan-j... Section starting "Power Plant Emissions aka “The Long Tailpipe”"
I don't have the numbers for China, but in Germany the power usage for transportation[0] is roughly as large as the electrical power. So whatever progress they're making, they need double of that if they want to power their cars.
[0] I don't remember off hand whether air and water are included