MIT engineers have made a groundbreaking discovery in hydrogen production by developing a new aluminum-based process that utilizes seawater and recycled aluminum to generate hydrogen gas. Led by Aly Kombargi, the team's innovative method emits a mere 3.2 lbs of CO2 per kilogram of hydrogen produced, indicating a remarkable 90% reduction in carbon emissions compared to traditional methods. Through a thorough life cycle analysis, the researchers confirmed the scalability and sustainability of their approach, aligning it with other green hydrogen technologies powered by renewable sources. The process involves reacting recycled aluminum pellets with seawater to create 'green' hydrogen, showcasing a promising low-carbon footprint at an industrial scale. By incorporating Earthster for emissions tracking and optimizing the use of gallium-indium alloy, the team ensures an economically and environmentally circular process. The byproduct, boehmite, not only helps offset costs but also finds applications in various industries. The team envisions a future where hydrogen fuel can be efficiently produced on demand by reacting aluminum pellets with seawater in compact reactors near fuel stations, revolutionizing transportation and energy systems. This sustainable solution not only demonstrates environmental viability but also offers potential applications in underwater systems. With ongoing efforts to refine and scale the process, MIT's groundbreaking research paves the way for a cleaner, more sustainable future in hydrogen production.