The uptake of hydrogen in Hong Kong is facing challenges like limited supplies and high costs. To address this, a start-up called H2 Solution suggests allowing logistics vehicles to fill up on hydrogen across the border. Qian Wei, the founder, proposes leveraging Foshan, a major hydrogen production center near Hong Kong, for relatively cheaper hydrogen and refuelling infrastructure. Foshan's experience since 2019 provides valuable lessons for Hong Kong's hydrogen adoption. The integration of Hong Kong's hydrogen economy with the Greater Bay Area's supply chain is seen as a way to optimize production, distribution, and technology development. Additionally, China Petroleum & Chemical is working on establishing Hong Kong's first hydrogen refuelling station in Yuen Long by the end of the year. This initiative aims to enhance the city's hydrogen infrastructure and promote the use of hydrogen fuel cell systems for a more sustainable transportation sector.