Aircraft Industry: Rolls-Royce says its all-electric aircraft 'is world's fastest'

Rolls-Royce believes its Spirit of Innovation plane could be the world's fastest all-electric aircraft.

The firm - whose aerospace headquarters are based in Derby - said the plane reached a top speed of 387.4 mph (623 km/h) during test runs at an experimental aircraft testing site.

Read more at: Rolls-Royce says its all-electric aircraft 'is world's fastest' - BBC News