The legacy of the Paris 2024 Olympic and Paralympic Games includes groundbreaking hydrogen trials and innovations in mobility. Yuta Tomikawa, a Toyota Times reporter, participated in these trials aimed at showcasing the potential of hydrogen in various applications. One notable trial involved the use of portable hydrogen cartridges to power a freezer and a cargo bike on the streets of Paris, providing a practical demonstration of hydrogen's electricity generation capabilities. These cartridges, which are manufactured at the Toyoda Gosei Inabe Plant, are integral to supporting the future of fuel cell electric vehicles like the Mirai. Additionally, a multi-pathway event held outside Paris featured a range of hydrogen mobility vehicles, highlighting the increasing interest in sustainable transportation options. Europe, a region known for its car culture, has recently witnessed significant progress in electric vehicles but is also exploring the potential of hydrogen as a viable alternative. Through various events and demonstrations, including hydrogen engine showcases at prestigious races like the FIA World Rally Championship and the FIA World Endurance Championship, efforts are being made to shift perceptions towards hydrogen as a feasible energy source. This local report from Paris emphasizes the ongoing steps towards realizing a hydrogen society, showcasing the importance of hydrogen in driving sustainable innovations and fostering a cleaner future.