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:
- 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.
- 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.
- Hydrogen-Powered Aircraft: Hydrogen is considered a promising zero-emissions fuel that, when used in fuel cells, emits only water vapor.
- Improved Aerodynamics and Lightweight Materials: Aircraft designs are evolving to reduce drag and weight, enhancing fuel efficiency and reducing emissions.
- Operational Efficiency: This includes better air traffic management, optimized flight routes, and improved airport operations to minimize fuel waste and emissions.
- 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.
