The drastic increase in energy prices is becoming a major concern in the plastics industry. Indeed, rubber and plastic manufacturing companies are recognizing the importance of focusing more on energy management to reduce the energy they use and, consequently, stay competitive in regional and global markets. Moreover, in the European panorama, the promotion of energy efficiency, use of renewable sources, and decarbonization are the key elements of the strategy that guides the common effort. Since the publication of the European Directive 2012/27/EU on Energy Efficiency, which established the obligation for large companies to undergo mandatory energy audits every four years, thousands of companies in Italy have performed an energy audit. Usi...