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."... 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."... 
It isn’t just batteries that are making big strides in electric cars. Several companies are also striving to make electric motors more efficient and powerful. Now a new Texas company claims it has a new motor technology that can generate twice the torque, three times the power, and 10 percent more range for electric cars in the same weight...