The shipping industry, known for its high carbon emissions, is facing challenges in decarbonization, but solutions like biofuels and green hydrogen are gaining traction. Spain is positioning itself as a key player in the green hydrogen revolution, with substantial investments in clean energy projects. The concept of green hydrogen, produced using renewable resources, is seen as a promising avenue for reducing emissions in sectors like shipping. Chinese companies have also joined the green hydrogen movement by investing in Spain's clean energy initiatives. While some experts express doubts about the efficiency and cost of green hydrogen, others view it as a crucial element in the transition to sustainable energy. Spain's commitment to becoming a European leader in green energy indicates a positive momentum towards a greener future for the country and the shipping industry. Despite differing opinions on the viability of green hydrogen, the industry is scaling up efforts to utilize this technology for decarbonization and combatting climate change.