The batteries, the batteries, I know.
It all depends on what you're comparing. Speaking to current vehicles only.
Remember when vehicles first came out and then for the next 100 years all the way to the 90's, they literally spewed fuel out the tail pipe. Never mind the terrible emissions they produced.
Citing an article from Saudi Arabia. Might as well let Jason Kenny dictate policy for us.
Material supply for batteries is an issue though. I'd believe through innovation this problem can be solved like anything else.