Airbus, a key player in the aviation industry, is spearheading initiatives to explore and promote the adoption of hydrogen technologies across major airports in the U.S. and Canada. By conducting feasibility studies, Airbus aims to lay the foundation for the development of 'hydrogen hubs' at these airports, potentially revolutionizing the aviation industry's fuel infrastructure. Additionally, Airbus is actively involved in projects like GOLIAT, an EU-funded endeavor involving nine other partners, focused on preparing for liquid hydrogen operations at airports. The company is also progressing in its efforts to test hydrogen auxiliary power units (APU) on A330 airliners. These units are crucial for supporting non-propulsive electrical power needs during flights. In a similar vein, Pittsburgh International Airport is making significant strides towards sustainability by planning to introduce an on-site alternative jet fuel plant. This ambitious $1.5 billion project has the capacity to produce up to 70 million gallons of sustainable aviation fuel (SAF) annually, indicating a strong commitment to reducing carbon emissions within the aviation sector. Moreover, the U.S. government's backing of Piasecki's hydrogen VTOL aircraft study underscores a broader shift towards exploring hydrogen-powered solutions for urban air mobility missions. This support signifies a growing recognition of hydrogen as a viable and sustainable alternative within the aviation industry. Overall, these developments highlight the increasing focus on hydrogen within the aviation sector, signaling a positive trajectory towards more sustainable and environmentally friendly practices in air travel.