Hydrogen energy is emerging as a critical player in the global transition toward cleaner fuels, offering a promising alternative to traditional fossil fuels. As countries strive to meet climate goals and reduce carbon emissions, hydrogen, particularly green hydrogen, produced using renewable energy, is being hailed as a key solution for decarbonizing industries, transportation, and power generation. One of hydrogens biggest advantages is its versatility. It can be used in fuel cells to generate electricity, heat, and power for a wide range of applications, from cars and buses to homes and industrial plants. Hydrogen fuel cells emit only water vapour, making them an eco friendly alternative to gasoline and diesel. Hydrogen can also serve as a storage medium for renewable energy, helping to balance the intermittency of wind and solar power by storing excess energy for later use. Several countries have announced ambitious plans to scale up hydrogen production and infrastructure. The European Union, for example, has set a target of producing 10 million tons of green hydrogen by 2030 as part of its European Green Deal. Similarly, Japan, a pioneer in hydrogen technology, aims to become a hydrogen powered society by focusing on hydrogen for energy and transportation. The U.S., through its Infrastructure Investment and Jobs Act, is also investing billions into hydrogen projects to cut emissions and strengthen energy independence. However, the widespread adoption of hydrogen as a clean fuel faces several challenges. The current production of hydrogen is largely grey hydrogen, which is derived from natural gas and emits significant carbon dioxide. Transitioning to green hydrogen, produced by electrolyzing water using renewable electricity, is costly. Additionally, the infrastructure for transporting, storing, and distributing hydrogen remains underdeveloped. As the world races toward net zero emissions, hydrogen energy stands out as a promising clean fuel alternative, capable of transforming industries and contributing to a sustainable future.