Comments on: Electra.aero Receives $1.9 Million SBIR Contract from the U.S. Army to Develop Hybrid-Electric Propulsion Systems https://carbonfreeaviation.com/electra-aero-receives-1-9-million-sbir-contract-from-the-u-s-army-to-develop-hybrid-electric-propulsion-systems/ Information Hub Tracking the Path to Carbon Free Aviation Tue, 01 Jul 2025 15:28:11 +0000 hourly 1 https://wordpress.org/?v=6.9.4