>edit: still an immature tech If there was a Nobel Prize for understatement, this comment would take it hands down. New "breakthroughs" in battery energy dens

>edit: still an immature tech If there was a Nobel Prize for understatement, this comment would take it hands down. New "breakthroughs" in battery energy density are a dime a dozen. They're proving incredibly difficult to bring to commercial viability, and there's no evidence that that's going to change.