https://www.ainonline.com/news-article/2022-01-28/voltaero-selects-energy-storage-system-hybrid-electric-cassio-aircraft
VoltAero Selects Energy Storage System for Hybrid-Electric Cassio Aircraft
France-based VoltAero is developing a family of hybrid-electric aircraft called Cassio that could start entering service in 2023.
energy storage systemhybrid electricselectscassioaircraft
https://www.voltaero.aero/
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