What's Happening?
Green Taxi Aerospace is advancing its Zero Engine Taxi (eTaxi) retrofit for Embraer's E175 aircraft, with a detailed FAA certification roadmap aiming for a supplemental type certificate by the end of 2027.
The eTaxi system, powered by the aircraft's auxiliary power unit, enables taxiing without main engines, offering substantial fuel and emissions savings. The certification process involves a seven-step plan, including system design, prototype creation, and extensive testing. The retrofit is designed to minimize disruption to aircraft systems and weight distribution.
Why It's Important?
The eTaxi retrofit represents a significant advancement in sustainable aviation technology, offering airlines a way to reduce fuel consumption and emissions during ground operations. As the aviation industry faces increasing pressure to improve environmental performance, innovations like the eTaxi system are crucial for achieving sustainability goals. The successful certification and adoption of this technology could lead to widespread implementation across regional operators, enhancing operational efficiency and reducing environmental impact.
What's Next?
Green Taxi Aerospace plans to complete the certification process by the end of 2027, with parallel approvals from EASA and Brazil's ANAC to support international deployment. The company will focus on achieving technical milestones, including system design and prototype testing, to meet FAA requirements. As the certification progresses, airlines may begin adopting the eTaxi system, potentially leading to broader industry acceptance and integration into standard operations.
Beyond the Headlines
The development of the eTaxi system highlights the growing emphasis on sustainability in the aviation sector. By enabling aircraft to taxi without main engines, the system addresses key environmental concerns and offers a practical solution for reducing emissions. The retrofit's design, which minimizes impact on aircraft weight and balance, demonstrates a commitment to maintaining operational integrity while pursuing environmental benefits. As the industry continues to explore efficiency gains, the eTaxi system could serve as a model for future innovations in sustainable aviation technology.











