Like all things the cost of new technology soon drops, its all about supply and demand.


This is a bit off-topic, but following on solar and batter technology, how odd that no one on here has mentioned the real reason why President Pootin wants the Donbas in Ukraine. Everyone is scrabbling around for the 'rare earth' materials that part of Ukraine has in abundance. I'm surprised that the Chinese haven't mounted a quest for them too!