This book presents recent innovations and emerging trends in the science and technology of energy processing. It examines the scientific principles, engineering practices, and discoveries that set the future of energy production, storage, transmission, and utilization. We highlight the ongoing shift toward more sustainable, efficient, and resilient systems by covering different energy sources. We discuss key advancements in thermal energy systems, chemical and electrochemical processing, and using advanced materials in energy processing. Renewable energy methods, including solar, wind, and bioenergy, are also explored, focusing on improving efficiency, scalability, and sustainability. The book presents recent computational methods for optimizing energy processes, illustrating how these approaches can enhance process monitoring, boost energy efficiency, and support predictive maintenance. Beyond technical advancements, we address the environmental, economic, and societal impacts of energy technologies. This book is of interest to researchers, engineers, policymakers, and students, as it covers theoretical advances with applications. It helps us better understand energy processing and its essential role in driving a sustainable future.