Comment by rainsford

Even if the source of electricity used to charge an EV is mostly generated by fossil fuels, EVs are still probably more energy efficient because gas powered cars are not particularly efficient at turning gasoline into useful energy compared to the efficiency of larger scale power plants.

Also as you point out, non-fossil fuel energy is becoming a larger part of the grid over time, so an EV you buy today will become cleaner over time, while the fossil fuel reliance of a gas car purchased today will never improve.

Honestly the biggest blocker for EVs from my perspective is charging infrastructure. Public fast charging sites are too uncommon compared to gas stations and a less than ideal solution to use for all of your charging needs and lots of people live in housing where installing a charger at home is difficult or impossible. Eventually both of those will change, but it will lag significantly behind the quality of the vehicles themselves.

The interesting thing to me is that even for people who can't charge at home, EVs and charging infrastructure have reached the tipping point where they're at least viable. They're less convenient in such situations than a gas powered car and so will be limited to people who are extra motivated for one reason or another. But the EV world is over the "possible" hurdle so the "practical" threshold seems inevitable.