Airbus, Rolls-Royce and Siemens team on a hybrid electric aircraft

Purely electric aircraft are still in their relative infancy. Hybrid aircraft, however? They're closer than you think. Airbus, Rolls-Royce and Siemens are partnering on a hybrid electric aircraft prototype, the E-Fan X, that will prove the mixture…
Source: Engadget | Airbus, Rolls-Royce and Siemens team on a hybrid electric aircraft