https://theaircurrent.com/industry-strategy/electric-supersonic-startups-lay-down-their-industrial-roots/
Electric, supersonic startups lay down their industrial roots - The Air Current
Aug 10, 2023 - The aerospace newcomers are beginning their transition from ambitious start-ups to brick and mortar businesses with products to build and deliver to market.
electric supersonicstartups
https://interestingengineering.com/innovation/hybrid-electric-engines-could-power-supersonic-aircraft
New hybrid-electric engines could power 'next-gen' supersonic aircraft
Dec 1, 2025 - A UK electric powertrain firm and a US aerospace startup have joined their forces to create hybrid-electric engines for supersonic jets.
hybrid electricengines could
https://aviationweek.com/defense/aircraft-propulsion/debrief-astro-mechanicas-electric-supersonic-engine-be-tested
Debrief: Astro Mechanica’s Electric Supersonic Engine To Be Tested | Aviation Week Network
Dec 20, 2025 - U.S. startup Astro Mechanica plans to take its hybrid-electric supersonic engine into high-altitude and high-speed ground testing in 2026.
electric supersonicdebrief