How are you going to have enough storage to power a city and it's industry during the inevitable lulls in wind/solar without at least a X 100 increase in density, but whenever I say it can't be done, I am howled down.
But no one has denied the header: Lithium batteries are enough of a fire risk to cause aviation regulators to question their use. That is what I wrote about. It is hard to argue with three people all coming from a different direction.
