Thank you for your genuine interest in electricity generation in my local area. The electricity mix where I'm from is a combination of wind, nuclear, and hydro electric. In emergencies we have a backup combustion system that will kick in. My power company publishes a neato dashboard all about it, it's actually at most 1/6th and usually 1/12th or lower g/MWH CO2 VS coal fired power production.

But curiously enough, even if it were run entirely on coal, my electric car would still produce much less CO2 over its lifespan, and have the potential to get cleaner as grids improve, since gasoline is so much more CO2 intense and Ice engines are so mature without much more room for serious efficiency gains.

I'm super glad you were curious enough to ask me such open ended questions, and really happy that my work in this area gave me the knowledge to answer your obviously genuine questions. Now you can be proud to know something you didn't know a few minutes ago becuase of your open mindedness.