Imagine sending in wildland fire fighters with a heavy battery pack that still would give no where near the run time of 1kg of mixed fuel.
The get out clause here is the bit about being 'so long as 2024 is "viable"' - but that being said it wouldn't be the first comprehensive stuff up by a government would it.
I generally do not like any outdoor power equipment with electric motors - the only situation I don't mind battery power in is a quality chainsaw. I have seen enough arborists struggling to start a Stihl arborist saw to gather that a battery would probably suit better.
But until I can get a quality used battery saw for under $20, I will stick with my old 12in GMC, 10in Ozito, and 16in Victa and Ryobi 4040