Other articles about this made it sound like they'd use re-used, granulated plastic, like that fished out of the ocean's 'plastic soups'. I don't know anything

Other articles about this made it sound like they'd use re-used, granulated plastic, like that fished out of the ocean's 'plastic soups'. I don't know anything about plastic manufacturing or chemistry, but that was supposedly one of the big selling points - that the materials are cheap and needed to be disposed of anyway, some way.