Environmental emissions and green production requirements play a critical role in the accounting systems that need to manage operations costs. This chapter aims to apply the green material flow cost accounting technique to manage resources and energy costs within optimal exploitation. Firms have tried to reduce the amount of waste and emissions costs as well as enhance competitive advantage in a sustainable issue. The general idea behind the green material flow cost accounting technique is that provide a transparent picture of the use of materials and energy. The chapter adopts a case study methodology with financial and non-financial information related to production and cost reports. The company’s interest is understanding how operations can be implemented sustainably and more efficiently. The results indicate firms that offer environmentally friendly products (free from negative environmental impacts as much as possible). In addition, it provides safety and security using resources, may enhance demand quality for products, and supports sustainable competitive advantage.