Electric Propulsion's Dirty Secret: Why Lithium Can't Fly (Or Float) Profitably

tldr: There's a lot of bullshit going on right now about Lithium propulsion boats and planes, don't trust the energy return on investment or viability of its profitability...it's fundamentally a net negative energy return on investment. Edits* - there's a hacker news thread where I'm getting roasted by programmers, I'll survive. Profitable = productively profitable for the amount of PE or venture…