Clean Aviation

By Thierry Dubois
ATR received a request from the Clean Aviation Joint Undertaking to fly a demonstrator in 2029.
Aircraft & Propulsion

By Graham Warwick
Printing small turbines; cooling hybrid-electric; non-CO2 effects limit SAF; and Hamburg research projects.
Emerging Technologies

By Graham Warwick
Our roundup of the main aerospace and defense stories making the news this week.
Aircraft & Propulsion

By Thierry Dubois
The Clean Aviation Joint Undertaking (JU) has selected 12 projects for a combined research and technology budget of $1.1 billion.
Emerging Technologies

By Guy Norris, Thierry Dubois, Jens Flottau
Airbus and MTU have outlined a three-step roadmap for development of a commercial aviation hydrogen fuel-cell engine announced at the Paris Air Show.
Emerging Technologies

By Thierry Dubois
Clean Aviation and SESAR have led a call to the European Union to support €66 billion of required sustainability investment between 2028 and 2034.
Emerging Technologies

By Graham Warwick
Hydrogen fuel cell suppliers are engineering powertrains to enable zero-emission aircraft propulsion.
Aircraft & Propulsion

By Graham Warwick
Long-endurance Pipistrels; hybrid certification advances; fuel cell propulsion testing; and 3D-printed hydrogen tank.
Emerging Technologies

By Thierry Dubois
The timeline for Clean Aviation relies on 2035 for service entry to enable the replacement of 75% of the fleet with more sustainable aircraft by 2050.
Emerging Technologies

By Thierry Dubois
Clean Aviation executives are striving to firm up plans, even though they have slipped to the right, for both hybrid-electric and hydrogen propulsion.
Emerging Technologies

By Guy Norris
Rolls-Royce aims by mid-year to freeze the design of a smaller UltraFan geared turbofan demonstrator, signaling its intent to target the single-aisle market.
Aircraft & Propulsion

By Thierry Dubois, Guy Norris
Airbus is focusing on a “realpolitik” approach to accelerating innovation into products in the nearer term.
Emerging Technologies

By Thierry Dubois
European airframers and engine makers expect to develop their next-generation products using greener technologies demonstrated under the Clean Aviation program.
Safety, Ops & Regulation

By Thierry Dubois
In a changing world, the dual civil-military use of new technologies and EU competitiveness emerge as additional priorities in the Clean Aviation program.
Safety, Ops & Regulation

By Graham Warwick, Guy Norris, Thierry Dubois
The zero-emission airliner delay leaves advancing hydrogen to startups that are focusing on retrofits and smaller aircraft.
Emerging Technologies

By Graham Warwick
China’s electric first; Europe’s regional certification; Dutch LH2 demo; and South Korean eVTOL.
Emerging Technologies

By Graham Warwick
Flight testing of a hybrid-electric powertrain on an ATR 72 demonstrator has been included in the third call for proposals for Clean Aviation.
Advanced Air Mobility

By Graham Warwick
Clean Aviation is studying different approaches to hybridizing regional aircraft to reduce fuel burn and emissions.
Advanced Air Mobility

By Thierry Dubois
Technology progress is making fuel cells the lead contender over the combustion of hydrogen in a gas turbine engine, Clean Aviation says.
Emerging Technologies

By Graham Warwick
C-130J as a hydrogen demonstrator; fuel cells for European regional project; ductile composites for LH2 tanks.
Emerging Technologies

By Graham Warwick
H3 Dynamics will supply fuel cells to a project developing a modular, distributed hybrid hydrogen-electric propulsion system for future regional aircraft
Aircraft & Propulsion

By Graham Warwick
Questioning of aviation’s net-zero-emissions 2050 target comes as key technologies move toward ground and flight testing.
Emerging Technologies

By Graham Warwick
Heat exchanger for hydrogen engines; conformal LH2 tank; fuel system for LH2; and fuel-cell powertrain tested.
Emerging Technologies

By Guy Norris
Collins Aerospace has passed the passed the preliminary design review for the EU's Clean Aviation HECATE project.
Farnborough Airshow

By Guy Norris
Liquid hydrogen (LH2) may be the promised panacea for aviation’s journey to net-zero, but getting there is going to be tough—particularly for the engine-makers.
Aircraft & Propulsion