edit I am an idiot, who uploaded the image link as the URL. The original source should now be accessible
RMIT engineers say they’ve tripled the energy density of cheap, rechargeable, recyclable proton flow batteries, which can now challenge commercially available lithium-ion batteries for capacity with a specific energy density of 245 Wh/kg.
Yeah. None of that is true.
There was plenty of electric car R&D (and it was never overly restricted by patents). Battery technology and electronics were just not got enough until recently, and there wasn’t as much of a financial incentive to go electric.
Kodak is a standard example of a company’s failure to migrate from its legacy business. It very much did not stifle digital imaging.