Rolls-Royce guns for electric airplane speed record
When most people think of Rolls-Royce, they think of ultra-luxury cars, not airplanes. But a separate Rolls-Royce, spun off of the automaker in 1971, makes aircraft engines. And that company plans to go electric in tackling the world speed record for electric airplanes. To borrow a famous phrase from the automaker, if "horsepower is sufficient."...