True, but they do require metals like lithium and cobalt. Here's an interesting article on the lithium rush in Nevada. https://www.bloomberg.com/news/features

True, but they do require metals like lithium and cobalt. Here's an interesting article on the lithium rush in Nevada. https://www.bloomberg.com/news/features/2017-03-29/the-great-nevada-lithium-rush-to-fuel-the-new-economy https://www.bloomberg.com/news/features/2017-03-29/the-great...