Natureworks Ken Norberg October 17, 2019 29 Views At its application development facility in Savage, Minnesota, USA, NatureWorks is experimenting with uses for its Ingeo fiber. Ingeo utilizes CO2 to generate lactic acid molecules for the production of polymer-based fibers that enable circular options such as recycling and composting, among others, depending on the needs of the specific application. Ingeo utilizes CO2 to generate lactic acid molecules for the production of polymer-based fibers that enable circular options such as recycling and composting, among others, depending on the needs of the specific application.