This book contains select peer-reviewed proceedings from the International Conference on Innovations in Clean Energy Technologies (ICET 2023). It explores a variety of durable, energy-efficient, and next-generation smart green technologies aimed at promoting a sustainable future. The topics covered include smart technology-based products, energy-efficient systems, solar and wind energy, carbon sequestration, green transportation, green buildings, energy materials, biomass energy, smart cities, hydropower, bio-energy, and fuel cells. The book also discusses the performance attributes of these clean energy technologies, as well as their workability and carbon footprint. It is a valuable reference for beginners, researchers, and professionals interested in clean energy technologies.