A team of engineers at the Massachusetts Institute of Technology (MIT), led by Douglas Hart, has made a groundbreaking discovery in hydrogen production. By exposing pure aluminium from soda cans to seawater, they found a reaction that produces hydrogen gas, a clean energy source for engines and fuel cells. The addition of caffeine, specifically a low concentration of imidazole, accelerates this reaction significantly. The researchers are developing a compact reactor for marine applications that can use recycled aluminium pellets, gallium-indium alloy, and caffeine to generate hydrogen as needed. This innovation eliminates the need to transport hydrogen gas, presenting a safer and more efficient method for powering vehicles. While challenges exist in storing and utilizing hydrogen due to its volatility, the team is exploring solutions that leverage aluminium's ability to generate hydrogen through simple chemical reactions. By pretreating aluminium with a gallium-indium alloy, they can sustain the reaction and produce hydrogen in a short timeframe. The study's findings have implications for maritime applications, where seawater can be readily used as a source of hydrogen production. The researchers aim to further optimize the process to make it viable for various vehicles and energy systems. This research represents a significant step towards sustainable energy solutions and showcases the potential of hydrogen as a clean fuel alternative.