A new generation of high-performance biodegradable polyesters has arrived, made from sugar co-products or waste, derived from beetroot, potatoes, glycerol and extracts from fruit and vegetable waste. Bio-on, based in San Pietro Terme, halfway between Bologna and Imola, is pioneering this revolution. At its new €20 million plant, waste from agro-food businesses is transformed into completely natural polyester polymers. The final product is made of polyhydroxyalkanoates (PHAs), versatile materials that can be used in various sectors, from cosmetics to the biomedical industry. But how are PHAs made? They are derived from “bacteria that has been man’s friend for millions of years, a material that can be consumed by other bacteria, because nature always finds a solutio...