New Tesla patent: 400-mile battery pack using metal-air & lithium-ion batteries
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New Tesla Patent: 400-Mile Battery Pack Using Metal-Air & Lithium-Ion Batteries (via Clean Technica)
Tesla Motors is exclusively an electric car maker, with Elon Musk expressing disdain for cars like the Chevy Volt and BMW i3, which pack gas-powered range-extenders. But Tesla may be working on a different…