Comprehensive Energy Systems, Elsevier, 2025
This chapter provides a comprehensive analysis of marine energy conversion systems, focusing on technological advancements and sustainability efforts within ship systems and the maritime industry. It explores the transition from traditional fossil fuels to cleaner forms such as LNG, hybrid propulsion, and renewable energy sources. Additionally, it discusses the integration of innovative technologies, including nuclear energy systems, fuel cells, and combined cycles, for both submarines and surface vessels. The chapter highlights how alternative systems contribute to enhanced energy efficiency and reduced environmental impact. Finally, it examines and discusses future challenges and priorities for the maritime industry, emphasizing the application of advanced thermodynamic cycles and waste heat recovery systems while underscoring the industry’s ongoing commitment to sustainability and regulatory compliance.