INDIANAPOLIS, Indiana—Engineers in Norway have started ground tests of a compact 2.5-megawatt generator, marking a key milestone towards flight tests of the Airbus and Rolls-Royce E-Fan X ...
INDIANAPOLIS—Engineers in Norway have started ground tests of a compact 2.5-megawatt generator, marking a key milestone toward flight tests of the Airbus and Rolls-Royce E-Fan X hybrid-electric ...