Rolls-Royce's Sharp Nemesis NXT-based ACCEL project is developing what it hopes will be the world's fastest all-electric aircraft. It aims to exceed the 298kt average speed achieved by the Rolls-Royce R-powered Supermarine S.6B in its 1931 Schneider Trophy victory.

Rolls-Royce’s all-electric aircraft, the Electroflight NXTE, G-NXTE (c/n 001) 'Spirit of Innovation,' which has begun taxiing tests in preparation for its maiden flight in the spring