Collins Aerospace Ireland is at the forefront of a significant initiative within the EU's Clean Aviation research and technology project. The company is leading an industry consortium focused on developing a conforming liquid hydrogen tank. This endeavor is part of a broader effort by some aerospace companies to tackle CO2 emissions and transition towards a more sustainable aviation sector. By exploring the possibilities of liquid hydrogen, the consortium aims to revolutionize aviation technology and significantly reduce the environmental impact of air transport. The involvement of various aerospace players highlights the industry's commitment to embracing innovative solutions for a greener future. Thierry Dubois, an experienced aerospace journalist with a background in technology, provides valuable insights into the advancements in the French aviation, defense, and space sectors, offering a comprehensive understanding of the latest technological developments in Europe.