Solutions for a Cleaner Aviation

Building a more sustainable aviation

Building a more sustainable aviation industry requires innovative technologies, greener fuels, and a commitment to reducing emissions—paving the way for cleaner skies and a more resilient planet.

01. Benefits

Cleaner aviations benefits

Cleaner aviation offers several key benefits:

  • Reduced Emissions: Cleaner aviation cuts greenhouse gases and pollution, addressing climate change and improving air quality.
  • Cost Efficiency and Innovation: Sustainable technologies lower fuel costs over time and drive advancements in green aviation.
  • Compliance and Public Perception: Helps airlines meet regulations, avoid penalties, and attract environmentally-conscious customers.

02. Definition

What is clean aviation?

Clean aviation refers to efforts within the aerospace industry aimed at reducing the environmental impact of air travel, particularly in terms of lowering greenhouse gas emissions, noise pollution, and overall energy consumption. It encompasses technological, operational, and regulatory initiatives aimed at making aviation more sustainable.

Key components of clean aviation include:

  1. Sustainable Aviation Fuels (SAFs): These are alternative fuels derived from renewable sources, such as biofuels, synthetic fuels, or hydrogen, that produce fewer emissions than traditional jet fuels.
  2. Electric and Hybrid Aircraft: Development of electric propulsion systems and hybrid-electric planes, which use electric motors in combination with traditional engines to reduce fuel consumption and emissions.
  3. Hydrogen-Powered Aircraft: Hydrogen is considered a promising zero-emissions fuel that, when used in fuel cells, emits only water vapor.
  4. Improved Aerodynamics and Lightweight Materials: Aircraft designs are evolving to reduce drag and weight, enhancing fuel efficiency and reducing emissions.
  5. Operational Efficiency: This includes better air traffic management, optimized flight routes, and improved airport operations to minimize fuel waste and emissions.
  6. Advanced Propulsion Technologies: Innovations in engine design, like open fan engines or high-efficiency turbines, aim to make flying cleaner and more energy-efficient.

Overall, clean aviation is about transitioning the industry towards more sustainable practices, meeting regulatory emissions targets, and addressing growing concerns about aviation’s role in climate change.

04. Implementations

Cleaner aviation solutions implementation

Climate App Store for Aviation by Estuaire implemented by Nordic Aviation Capital in Limerick (Ireland) in 2023

Lanzatech Carbon Recycling by LanzaTech implemented by H&M Move in Skokie (United States) in 2023

Lanzatech Carbon Recycling by LanzaTech implemented by ArcelorMittal in Ghent (Belgium) in 2023

Lanzatech Carbon Recycling by LanzaTech implemented by Givaudan in Geneva (Switzerland) in 2022

Lanzatech Carbon Recycling by LanzaTech implemented by Lululemon in Vancouver (Canada) in 2024

Carbonium by Lavoisier Composites implemented by Clayens Group in Genas (France) in 2022

Hydrogen electric powertrain for aviation by ZeroAvia implemented by Royal Schiphol Group in Rotterdam  (Netherlands) in 2021

EPS 55 by H55 AG implemented by Harbor Air in North America (United States) in 2021

EPS 55 by H55 AG implemented by Pratt & Whitney in Quebec (Canada) in 2022

EPS 55 by H55 AG implemented by RTX Ventures in Sion (Switzerland) in 2022

Synhelion Solar Fuels by Synhelion SA implemented by CEMEX S.A.B. de C.V. in Zurich (Switzerland) in 2020

Synhelion Solar Fuels by Synhelion SA implemented by Wood in Zurich (Switzerland) in 2021

Power-to-X modular chemical plants by Ineratec implemented by MPC Containerships, UNITI e.V. in Frankfurt am Main (Germany) in 2024

AirShaper by AirShaper implemented by Aptera Motors in California (United States) in 2022

Skybreathe by OpenAirlines implemented by easyJet PLC, Air France in London (United Kingdom) in 2022

Skybreathe by OpenAirlines implemented by Norwegian Airlines (TEST) in London (United Kingdom) in 2019

05. Challenges

Challenges for Sustainable Aviation

How can we use the power of innovation & technologies to accelerate the ecological transition while reducing its impact on the environment?

  • Accelerate the aviation ecological transition: identify, find and give visibility to clean and efficient Aviation solutions to accelerate the sector's ecological transition. It is essential to rely on solutions that have a positive impact on the ecology.
  • Investing in researches & innovation for credible alternatives: the aviation sector faces technological challenges for which massive research and development ressources are required. The involvement of al the actors of the aviation industry is essential to develop solutions for a sustainable aviation.
  • Design sustainable aviation services and process: consider the importance of ecology in the creation process of new services and products. The criteria of ecology, sustainability and energy effiency must become mandatory.

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pauline.michiels@solarimpulse.com