# Energy-Efficient Airplanes EasyJet Will Test a New Hydrogen Fuel System to Cut Emissions By Michael Hemsworth | Published 2016-02-08 | Eco Source: Trend Hunter, https://www.trendhunter.com/trends/hydrogen-fuel-system References: [gizmag](http://www.gizmag.com/easyjet-hydrogen-fuel-system/41689/) & [mediacentre.easyjet](http://mediacentre.easyjet.com/stories/9658) Flying is one of the most [carbon-heavy activities](https://www.trendhunter.com/trends/decarbonizing-aviation) the average consumer can do, so [EasyJet](https://www.trendhunter.com/trends/rollsroyce-ae-2100) is looking to test a new hydrogen fuel system to help become more efficient. Using a regenerative braking system that's found in eco-friendly vehicles on the road, the EasyJet fuel system would transform braking power into power for onboard amenities. The entire hydrogen fuel system would work to make all aspects of the airplane more efficient. Being that roughly 4% of fuel used by EasyJet planes takes place during taxiing, the new system hopes to incorporate a green taxi system to eliminate this waste. The new system would also take aim at the waste water produced onboard, which could be recycled inside the plane itself for reuse. ## Trend Insights (Trend Hunter) - Score: 2.2/10 - Popularity: 30% | Activity: 28% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Eco](https://www.trendhunter.com/eco) > [Transportation](https://www.trendhunter.com/transportation) ## Key Themes ### Why This Trend Is Growing - **Hydrogen Fuel Systems:** Exploring the use of hydrogen fuel systems in airplanes presents disruptive innovation opportunities to reduce carbon emissions and increase energy efficiency. - **Regenerative Braking:** Applying regenerative braking technology from eco-friendly vehicles to airplanes creates disruptive innovation opportunities to convert braking power into onboard amenities and reduce fuel consumption. - **Green Taxi System:** Implementing green taxi systems in airplanes offers disruptive innovation opportunities to optimize fuel usage and reduce waste during taxiing. ### Industries Being Reshaped - **Aviation:** The aviation industry can explore the use of hydrogen fuel systems, regenerative braking technology, and green taxi systems to enhance energy efficiency. - **Renewable Energy:** The renewable energy industry can benefit from the adoption of hydrogen fuel systems and regenerative braking technology in airplanes, contributing to the reduction of carbon emissions. - **Transportation:** The transportation sector can leverage disruptive innovation opportunities in hydrogen fuel systems and regenerative braking technology to foster energy-efficient practices in airplanes, reducing environmental impact. ## Related on Trend Hunter - [Hydrogen-Powered Jet Engines](https://www.trendhunter.com/trends/rollsroyce-ae-2100.md) - [Hydrogen Fuel-Cell Engines](https://www.trendhunter.com/trends/airbus.md) - [Emissions-Free eVTOL Aircraft](https://www.trendhunter.com/trends/emissionsfree-evtol-aircraft.md) - [Decarbonizing Demonstrator Aircraft](https://www.trendhunter.com/trends/demonstrator-aircraft.md) - [Eco-Focused Airline Initiatives](https://www.trendhunter.com/trends/alaska-airlines1.md) - [Cost-Effective Hydrogen Batteries](https://www.trendhunter.com/trends/s1200.md) - [Sustainable Air Travel Concepts](https://www.trendhunter.com/trends/airspace-cabin-vision-2035-concept.md) - [Air Taxi Partnerships](https://www.trendhunter.com/trends/air-taxi.md) - [Sustainable Aviation Approaches](https://www.trendhunter.com/trends/sustainable-aviation.md)