Hybrid-electric propulsion for commercial aviation is one of the most challenging technological frontiers in the aerospace field. System complexity, power levels involved, and reliability—along with issues related to the weight and volume of potential energy storage systems—represent the main obstacles to electrifying such propulsion units. In this context, Ge Aerospace has recently achieved an important milestone in the development of a new generation of gas turbines derived from existing models but incorporating electromechanical systems designed to improve efficiency, with the goal of reducing fuel consumption and lowering greenhouse gas emissions…
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