National Hydrogen and Fuel Cell Day on October 8 highlights Sandia National Laboratories' achievements in advancing hydrogen technologies. Research at Sandia includes using X-ray science to study hydrogen storage materials, exploring subterranean hydrogen storage in depleted reservoirs, validating safety models, and addressing technical barriers for hydrogen blending in natural gas pipelines. By collaborating with various partners, Sandia contributes to the sustainable and secure deployment of hydrogen as an energy carrier. The laboratory's work aims to support the development of clean energy solutions, particularly in the transportation and stationary energy sectors. Webinars organized by Sandia also focus on topics like maritime hydrogen research and safety measures, showcasing the institution's commitment to promoting a resilient and sustainable energy future.