The Summer issue of Global Hydrogen Review offers insights into various aspects of the hydrogen economy. Deloitte Consulting LLP outlines the challenges facing the US clean hydrogen sector and proposes ways for companies to overcome these obstacles to progress. Florence Carlot from Arthur D. Little emphasizes the importance of innovation in boosting the green hydrogen economy. Krzysztof Koziol of Cranfield University discusses the challenges of transitioning to zero-carbon fuels and the significance of material research. Other articles explore technology readiness levels for hydrogen liquefaction, the potential of methanol-to-hydrogen generators, challenges in hydrogen transportation, and the importance of hydrogen purity measurement. The issue also covers topics like sustainable construction, sustainable aviation, large-scale liquid hydrogen storage, energy management systems, and digital technologies for enhancing green hydrogen projects. Overall, the sentiment of the articles is positive, focusing on advancements, solutions, and strategies for a more sustainable hydrogen future.