"Dürheimer hinted that the leccy car industry still faces several key challenges, including the creation of decent charging systems, and the development of smaller and lighter batteries."
Well, duh. Obstacles? You don't say? Wow, we better cancel the whole thing, then. It's a good thing Henry Ford and others didn't proceed with the silly notion of non-horse, non-steam propulsion when they ran into obstacles. Oh, wait, that's right, they didn't stop, they continued, overcoming the obstacles. And now Porsche is a multi-billion dollar company because of that determination.