He uses WORST CASE SCENARIOS for both cases against EVs. WORST. Case. Scenario.
Yes if you live in a state like West Virginia where the majority of your electric power comes from mandated use of COAL, yeah, it's not going to be as clean to drive electric.
But then again, if you live in a state like West Virginia, there are other things to worry about than where your electricity come from. For example, your gene pool.