>I know it's very complex story, but I would invest a billion on this! Just for perspective, GM spends something like 7 billion USD a year on R&D. I'm not sayi

>I know it's very complex story, but I would invest a billion on this! Just for perspective, GM spends something like 7 billion USD a year on R&D. I'm not saying you can't make progress with a billion dollars on the problem, but a billion is not a gargantuan sum when it comes to things like cars. Tesla already spends a few hundred million per year on R&D for a much less ambitious problem.