The chapter is part of the book 'Hydrogen Production, Storage and Utilization' and focuses on innovative approaches to hydrogen production and utilization. It covers a wide range of topics related to hydrogen, including novel thermal approaches, water electrolysis, photocatalysis, and biological hydrogen production. The text explores the fundamentals and challenges of these technologies, emphasizing the importance of hydrogen as a pathway to cleaner energy. It also discusses efficient low-temperature electrolysis methods and advancements in hydrogen production by utilizing photocatalysts. Moreover, the chapter provides insights into methane/methanol sono-conversion for hydrogen production and includes a detailed analysis of hydrogen storage technologies and utilization. Overall, the content highlights the continuous progress and future outlook in the field of hydrogen energy, showcasing the significant developments and research efforts towards sustainable and efficient hydrogen production and utilization.