Battery technology has utterly stagnated. There has been basically no changes in energy density in over a decade. All "progress" has been in the form of reduced

Battery technology has utterly stagnated. There has been basically no changes in energy density in over a decade. All "progress" has been in the form of reduced cost, but even that has ended. PS: Please don't post some Bloomberg article about this. They are wrong and did not correctly reference the state of battery technology back in 2010.