A research team at Linköping University in Sweden led by Associate Professor Jianwu Sun has developed a new solar material that has the potential to revolutionize hydrogen fuel production. As the world seeks to decarbonize transportation, hydrogen has emerged as a promising alternative, especially for heavy-duty vehicles and long-haul transport where batteries are not feasible. The team's three-layered system, consisting of cubic silicon carbide, cobalt oxide, and nickel hydroxide, has shown an impressive eightfold increase in solar hydrogen output, addressing the challenge of charge separation in water splitting processes. By utilizing sunlight alone, this 'green' hydrogen production method could offer a clean and renewable energy source for various transport sectors. The current hydrogen market is dominated by 'gray' hydrogen produced from fossil fuels, leading to significant CO2 emissions. The team's goal is to shift towards 'green' hydrogen, produced using only renewable electricity and solar energy, to reduce costs and eliminate carbon emissions. While the technology is still in the research phase and operates at low efficiencies, the researchers aim to achieve the 10% efficiency target within the next decade. This advancement could be a game-changer for the hydrogen economy, enabling scalable production of low-cost, carbon-free hydrogen for industrial and transportation applications, laying the foundation for a cleaner fuel infrastructure in the years to come.