Review of Sustainable Hydrogen Energy Processes: Production, Storage, Transportation, and Color-Coded Classifications

This framework gives detailed guidance for evaluating sustainable hydrogen energy systems. It covers hydrogen production, storage, transportation, and the color‑coded classifications used in today’s infrastructure. As worldwide transport networks move toward decarbonization, adding hydrogen as a main energy carrier needs careful structural and logistical planning. The study reviews hydrogen production routes, from green electrolysis to blue steam‑methane reforming, and compares their environmental impacts. It puts special focus on the engineering problems of storing and moving large amounts of hydrogen. The analysis looks at high‑pressure compression, liquefaction, and chemical carriers as storage and transport options. From an urban and transport‑planning view, the framework models where refueling stations should be placed and

what safety measures they need. It defines clear evaluation criteria based on thermodynamic efficiency, safety protocols, and lifecycle emissions. These criteria help M.Tech researchers build simulation models for hydrogen logistics. The documentation provides step‑by‑step methods to judge whether hydrogen pathways can fit into existing civil and transport corridors. It supports planning the shift from fossil‑based systems to sustainable, zero‑emission energy networks.

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