Rolls-Royce announces new hybrid-electric flight demonstrator to be built with Brandenburg Partners | Rolls-Royce
Rolls-Royce and Airbus pull plug on E-Fan X hybrid-electric powered aircraft project - Business Live
Rolls-Royce flies aircraft using hybrid powertrain that cuts fuel use by up to 20%
Why Rolls-Royce is still powering ahead with hybrid-electric development | Analysis | Flight Global
Rolls Royce Successfully Tested A Hybrid Engine In Helicopters And It Might Just Be The Future Of Aviation
E-Fan X Hybrid-Electric Propulsion Aircraft, France
Rolls-Royce Attempting 100% Electric Aircraft Speed Record, Jaguar I-PACE Offering Ground Support - CleanTechnica
Rolls-Royce announces new hybrid electric i-5 aircraft - Billionaire Toys
Charged EVs | Siemens sells electric aircraft propulsion business to Rolls- Royce - Charged EVs
Rolls-Royce Acquires Siemens' eAircraft Business - FLYING Magazine
Rolls-Royce powers ahead with electrical system tests | News | Flight Global
Airbus, Rolls-Royce halt development on E-Fan X electric aircraft | PaxEx.Aero
Rolls-Royce reveals 300mph electric aircraft | Aerospace Testing International
Rolls Starts Testing New Hybrid-electric Propulsion System | Air Transport News: Aviation International News
Rolls-Royce announces new hybrid-electric flight demonstrator to be built with Brandenburg Partners | Rolls-Royce
Hybrid planes trying to charge into action - BBC Future
Rolls-Royce, Federal Ministry and the state of Brandenburg strengthen development of hybrid-electric propulsion systems | Rolls-Royce
Rolls-Royce to fly hybrid-electric aircraft by 2021 : FLYER : FLYER
/__opt__aboutcom__coeus__resources__content_migration__treehugger__images__2017__11__Airbus-E-Fan-X-a3e9a5bd1d2c491486fbb005d5aa216e.png "New Hybrid Plane Will Add Second Electric Engine as Battery Costs Drop")
New Hybrid Plane Will Add Second Electric Engine as Battery Costs Drop
Rolls-Royce announces new hybrid-electric flight demonstrator to be built with Brandenburg Partners | Rolls-Royce
Rolls-Royce joins race to develop electric passenger jets | Rolls-Royce | The Guardian
Rolls-Royce is testing most powerful hybrid-electric aero engine - Aerospace Manufacturing
Rolls-Royce aims to fly fastest-ever electric plane by 2020 – Business Traveller
Hybrid Aircraft? - Plane & Pilot Magazine
Rolls-Royce joins race to develop electric passenger jets | Rolls-Royce | The Guardian
Tecnam Partners with Rolls-Royce to Develop All-Electric P-Volt - Aviation Today
Rolls-Royce to acquire Siemens' eAircraft business - evtol.com
Inside the Rolls-Royce plane that just smashed the electric-flight speed record | Fortune
Airbus, Rolls-Royce, Siemens Developing Hybrid Plane
Reaction Engines and Rolls-Royce partner on high-speed aircraft systems; hybrid-electric systems - Green Car Congress
