The urgent need for decarbonisation in the face of climate change has emphasized the importance of green hydrogen as a clean energy solution. Advancements in electrolyser technology are playing a significant role in reducing the costs associated with green hydrogen production, making it more feasible for various industries and governments worldwide as they strive towards net-zero emissions. Electrolysis, the process at the heart of green hydrogen production, offers different methods such as PEM, Alkaline, AEM, and SOEC, each with distinct advantages and applications. Promising advancements are seen in newer technologies like AEM and SOEC, which show potential for improving efficiency and reducing costs. The industry is facing challenges in scaling up green hydrogen production, ranging from technological enhancements to economic barriers and infrastructure limitations. Collaboration between stakeholders and government support are identified as crucial elements to overcome these challenges. Addressing the economic challenges of high capital and operational costs for green hydrogen, various governmental initiatives such as tax breaks, subsidies, and support for domestic manufacturing are suggested. The article highlights the importance of incentivizing investments in green hydrogen production and implementing policies that promote the blending of green hydrogen in fossil fuel-based industries. Furthermore, infrastructure and supply chain challenges are significant hurdles in the widespread adoption of green hydrogen. The industry needs to focus on enhancing renewable energy supply, establishing efficient distribution networks, and improving logistical capabilities to expand the use of green hydrogen in various sectors. Overall, the article emphasizes the positive impact of electrolyser innovations on driving the global adoption of green hydrogen as a key player in the energy transition towards a sustainable future.