Pacific Northwest National Laboratory announced a new method to convert waste plastic to fuel and raw materials that promises to help close the carbon cycle at mild temperature and with high yield. There’s a lot of potentially useful raw materials bound up in used face masks, grocery bags and food wrap. But it has been much cheaper to keep making more of these single-use plastics than to recover and recycle them. The research team reported their discovery in Science. Now, an international research team led by the Department…