Aluminum alloys are known for their low weight and corrosion resistance, making them ideal for various applications in a low-carbon economy. However, the challenge of hydrogen embrittlement has limited their widespread use in hydrogen-related technologies. Researchers from the Max Planck Institute for Sustainable Materials (MPI-SusMat) in Germany, along with partners from China and Japan, have developed an innovative alloy design strategy to address this challenge. The breakthrough involves a complex precipitation strategy in scandium-added aluminum-magnesium alloys. Through a two-step heat treatment, the researchers created dual nanoprecipitates that play a crucial role in trapping hydrogen and enhancing hydrogen embrittlement resistance while also boosting the alloy's strength. This design approach eliminates the traditional trade-off between high strength and hydrogen resistance. The results of the study show a significant improvement in both strength and hydrogen embrittlement resistance compared to conventional alloys. Essential measurements, including atom probe tomography, helped verify the effectiveness of the design at the atomic level. The research also demonstrated the scalability of the approach by aligning with current industrial standards, paving the way for practical industrial applications. The implications of this research are far-reaching, with potential applications in lightweight automobiles and hydrogen storage tanks. This innovative alloy design offers a promising solution for the challenges faced in the hydrogen economy, emphasizing safety, strength, and efficiency. The study published in Nature marks a significant step towards developing aluminum materials tailored for a hydrogen-powered future, poised for industrial implementation.