Sustainable Aviation
JetZero and SHZ Partner for Liquid Hydrogen Storage in Aviation
JetZero and SHZ collaborate on LH2 storage tech for Z4 aircraft, advancing zero-emission commercial flight with NASA support and US manufacturing.
The Commercial-Aircraft sector is undergoing a fundamental transformation as it seeks to address the urgent need for decarbonization. Among the most promising solutions is hydrogen-powered flight, an area now propelled forward by the partnership between JetZero and SHZ Advanced Technologies. Announced in August 2025 under NASA’s Advanced Aircraft Concepts for Environmental Sustainability (AACES) 2050 program, this collaboration brings together JetZero’s innovative Z4 blended-wing-body aircraft and SHZ’s proprietary liquid hydrogen (LH2) storage and distribution technologies. The joint effort aims to solve one of commercial aviation’s most complex challenges: enabling zero-emission flight at scale while maintaining operational viability.
The partnership is set against a backdrop of rapid growth in the hydrogen aircraft market, which is projected to expand from $1.13 billion in 2024 to as much as $28.89 billion by 2034. This surge reflects both technological advancements and increasing regulatory and societal pressure to reduce aviation’s carbon footprint. The technical and infrastructural hurdles, such as storing LH2 at -253°C and integrating it into advanced airframes, make this alliance a crucial test case for the future of sustainable flight.
Hydrogen has emerged as a leading candidate for achieving net-zero emissions in aviation by 2050. The market for hydrogen aircraft is experiencing unprecedented momentum, with North-America at the forefront. The U.S. alone represented $370 million of the 2024 market and is forecasted to reach $9.59 billion by 2034. This growth is driven by industry commitments, regulatory frameworks, and government investments, such as the U.S. Department of Energy’s $750 million program for advanced hydrogen technologies.
The urgency is underscored by aviation’s significant contribution to global emissions and the limitations of alternatives like sustainable aviation fuels and battery-electric propulsion. Hydrogen’s high gravimetric energy density, about three times that of jet fuel, makes it attractive for long-haul flights, though its low volumetric density requires innovative storage and airframe solutions. These technical realities have pushed manufacturers and startups alike to pursue novel aircraft configurations and fuel systems.
The competitive landscape is diverse, with established players like Airbus aiming for hydrogen-powered commercial aircraft by 2035 and startups such as ZeroAvia demonstrating hydrogen-electric propulsion in flight tests. Regulatory bodies, including the European Union Aviation Safety Agency (EASA), are actively working with industry and academia to develop certification pathways, highlighting the sector’s recognition of hydrogen’s potential and the challenges that must be overcome.
“The move to sustainable aviation is a global project necessitating a harmonised approach.” — Rachel Daeschler, EASA Certification Director
JetZero’s Z4 aircraft stands out for its blended-wing-body design, a radical departure from the traditional tube-and-wing configuration. This architecture distributes lift across the entire airframe, reducing drag and enabling up to 50% greater fuel efficiency. The Z4 is designed to carry approximately 250 passengers over 5,000 nautical miles, targeting the middle market between narrow-body and wide-body jets.
By mounting engines on top of the fuselage, the Z4 also significantly lowers noise pollution, up to four times less for surrounding communities, while its wide cabin allows for flexible seating and cargo arrangements. Importantly, the aircraft is compatible with existing airport infrastructure, easing adoption for Airlines and airports.
JetZero’s strategic partnerships further reinforce its position. United Airlines has invested in the company, securing options for up to 200 Z4 aircraft, while Delta Air Lines is providing operational insights through its Sustainable Skies Lab. Manufacturing is anchored by a $4.7 billion facility in Greensboro, North Carolina, expected to create over 14,500 jobs and leverage advanced digital and AI-driven production techniques. SHZ Advanced Technologies, founded in France by Eric and Jean Michel Schulz, brings a portfolio of 14 patents covering non-conventional LH2 storage and compression-pump technologies. Eric Schulz’s extensive background includes leadership roles at Airbus and Rolls-Royce Civil Aerospace, providing SHZ with deep industry insight and credibility.
SHZ’s innovations address the core challenge of safely storing and distributing LH2 at -253°C, a necessity for hydrogen aviation. Their tanks are engineered to match the curved geometry of the Z4, optimizing weight and space while minimizing hydrogen boil-off to just 0.2% per day. This is critical for commercial operations, where fuel loss during ground time can impact both economics and range.
The company’s experience in ground and maritime hydrogen applications also informs its aviation solutions, allowing for cross-sector technology transfer. Their compression-pump systems facilitate precise hydrogen delivery to propulsion systems, whether fuel cells or modified turbines, under the demanding conditions of flight.
The JetZero-SHZ collaboration is supported by NASA’s AACES 2050 program, which awarded $11.5 million in grants to advance sustainable aircraft concepts. JetZero’s grant focuses on enabling cryogenic LH2 as aviation fuel, a critical step toward reducing greenhouse gas emissions from flight.
NASA’s approach is collaborative, bringing together private industry, academia, and research agencies to tackle the multifaceted challenges of sustainable aviation. The AACES program is part of a broader federal strategy that includes significant funding for hydrogen research and international cooperation, such as the UK’s hydrogen production initiatives.
These investments recognize that achieving transformative change in aviation requires coordinated efforts across the ecosystem, from technology development to regulatory frameworks and infrastructure deployment.
Integrating LH2 storage into the Z4’s blended-wing-body airframe requires advanced cryogenic engineering. SHZ’s tanks are designed to follow the fuselage’s contours, distributing weight efficiently while maximizing usable volume. State-of-the-art insulation and composite shells help maintain extremely low temperatures and minimize boil-off.
Fuel distribution systems must safely transport LH2 from tanks to engines or fuel cells, requiring vacuum-jacketed lines and precise flow control. The choice between hydrogen combustion and fuel cells affects system complexity and efficiency: fuel cells offer about 50% greater range for the same hydrogen mass, but have shorter operational lifespans than turbines. The Z4’s aerodynamic design provides a natural advantage, as its wide body can accommodate bulky hydrogen tanks without sacrificing passenger capacity. This, combined with SHZ’s storage technology, positions the partnership to set new standards for hydrogen integration in commercial aircraft.
“Fuel cell-powered aircraft would achieve about 50% more range than hydrogen internal combustion aircraft for the same amount of hydrogen.” — IDTechEx Research
The hydrogen aircraft market is segmented by passenger capacity and range. While early adoption focuses on regional and short-haul aircraft (<100 passengers), the Z4’s 250-seat design targets the “above 200” segment, which is poised for growth as hydrogen technology matures.
North America leads current market demand, but Asia-Pacific is expected to see the fastest growth, driven by rising incomes, passenger numbers, and government support for hydrogen infrastructure. JetZero’s Greensboro facility gives it strategic access to the largest current market and a platform for international expansion.
The competitive landscape includes both legacy manufacturers and startups. Airbus and Boeing are developing hydrogen concepts, while ZeroAvia and others are advancing hydrogen-electric propulsion for smaller aircraft. The diversity of approaches suggests that multiple solutions may coexist, tailored to different mission profiles and market needs.
Widespread adoption of hydrogen aviation depends on developing new airport infrastructure for LH2 storage, fueling, and safety. Cryogenic tanks must be located outside operational areas, and specialized equipment is needed to handle hydrogen’s unique properties. These requirements entail significant investment and coordination among stakeholders.
Certification is another major hurdle. Regulatory bodies are working to define standards for hydrogen aircraft, but the lack of operational experience presents challenges. International workshops, such as EASA’s December 2024 event, are fostering dialogue among manufacturers, regulators, and researchers to address safety, airworthiness, and operational procedures.
Companies like ZeroAvia are navigating dual certification tracks in the US and UK, reflecting the need for harmonized international standards. The timeline for regulatory approval aligns with JetZero’s plans for flight demonstrations in 2027 and commercial entry in the early 2030s.
JetZero’s $4.7 billion facility in Greensboro is one of the largest aerospace manufacturing investments in US history. The project is expected to create over 14,500 jobs, with a focus on advanced digital and AI-driven manufacturing to enhance efficiency and quality. The facility’s location at Piedmont Triad International Airport provides access to skilled labor and existing aviation infrastructure. JetZero is partnering with academic institutions to develop workforce training programs, ensuring a pipeline of talent for advanced aerospace production.
At full capacity, the plant aims to produce up to 20 Z4 aircraft per month by the late 2030s. This scale positions JetZero as a significant new entrant in commercial aviation, supporting US manufacturing competitiveness and export potential.
The JetZero-SHZ partnership is part of a broader international movement toward hydrogen aviation. The EU’s Clean Aviation program is developing both fuel cell and hydrogen combustion aircraft concepts, targeting 100% in-flight CO2 reduction and leveraging phased technology demonstrations through 2026 and beyond.
Established manufacturers like Airbus and Rolls-Royce are investing in hydrogen research, while government programs in the US, UK, and elsewhere are providing funding and policy support for hydrogen infrastructure and R&D.
International coordination on standards, infrastructure, and technology sharing will be essential for scaling hydrogen aviation and ensuring safety and interoperability across global markets.
Hydrogen’s properties, high explosiveness and cryogenic temperatures, necessitate robust safety measures in aircraft design, ground handling, and operations. SHZ’s experience in hydrogen logistics across multiple sectors informs its risk mitigation strategies, including advanced insulation, containment, and emergency systems.
Regulatory authorities are prioritizing safety in certification discussions, focusing on fire and explosion prevention, fuel system interfaces, and emergency response protocols. Transparent testing and reporting will be key to public acceptance and regulatory approval.
Success in safety demonstration will be critical for airline adoption and passenger confidence, making risk management an integral part of the JetZero-SHZ development process. The JetZero-SHZ partnership is a pivotal test case for hydrogen aviation’s commercial viability. If successful, it could transform airline economics, airport operations, and the passenger experience, while contributing meaningfully to global emissions reduction targets.
The partnership’s planned milestones, flight demonstrations in 2027 and service entry in the early 2030s, align with broader industry timelines for sustainable aviation. The outcomes will inform standards, investor confidence, and regulatory frameworks, shaping the pace and scope of hydrogen aviation adoption.
The collaboration between JetZero and SHZ Advanced Technologies marks a significant step toward realizing zero-emission commercial flight. By combining breakthrough aircraft design with advanced hydrogen storage solutions, the partnership addresses both the aerodynamic and fuel system challenges of sustainable aviation.
While technical, infrastructural, and regulatory challenges remain, the project benefits from strong commercial backing, federal support, and a growing market imperative for decarbonization. Its success could set new standards for hydrogen aviation, catalyze economic growth, and position the US and its partners as leaders in the next era of flight.
What is the main goal of the JetZero and SHZ Advanced Technologies partnership? How does liquid hydrogen storage work in aviation? What are the main challenges for hydrogen-powered aircraft? When will the JetZero Z4 enter commercial service? How does the Z4 compare to conventional aircraft?JetZero and SHZ Advanced Technologies Partnership: Pioneering Liquid Hydrogen Storage Solutions for Next-Generation Aviation
The Genesis of Hydrogen Aviation and Market Context
JetZero’s Revolutionary Aircraft Design and Strategic Position
SHZ Advanced Technologies: Expertise in Hydrogen Storage Solutions
NASA’s AACES Program and Federal Investment in Sustainable Aviation
Technical Integration Challenges and Solutions
Market Analysis and Competitive Positioning
Infrastructure and Certification Challenges
Economic Impact and Manufacturing Strategy
Global Context and International Developments
Safety Considerations and Risk Management
Future Outlook and Industry Transformation
Conclusion
FAQ
The partnership aims to develop and integrate advanced liquid Hydrogen storage and distribution systems into JetZero’s Z4 blended-wing-body aircraft, enabling zero-emission commercial flight.
Liquid hydrogen must be stored at -253°C in highly insulated tanks. SHZ’s technology minimizes boil-off and is designed to fit the Z4’s unique airframe, optimizing weight and capacity for long-range flights.
Key challenges include safe and efficient LH2 storage, airport infrastructure for hydrogen fueling, regulatory certification, and public acceptance of hydrogen safety.
JetZero plans to conduct its first full-scale demonstrator flight in 2027, with commercial service targeted for the early 2030s, pending successful certification and testing.
The Z4 offers up to 50% better fuel efficiency, reduced noise pollution, and is designed to be compatible with existing airport infrastructure, making it both environmentally and operationally attractive.
Sources
Photo Credit: JetZero – Montage