As demand for electric vehicles heats up, there’s concern about a shortage of the key minerals needed to make them. The Biden administration has called for boosting domestic production of such minerals, including lithium for the lithium-ion batteries used in electric vehicles. And that has many hoping for big business in a desolate spot of California’s Imperial Valley. A few miles from the shores of California’s Salton Sea, a construction crew is at work on the future site of Hell’s Kitchen Lithium and Power. It’s a geothermal facility, meaning it uses Earth’s natural heat to create electricity.