RTX STEP-Tech demonstrator completes first engine run and electrical system integration test

PARIS, June 20, 2023 /PRNewswire/ -- PARIS AIR SHOW -- RTX (NYSE: RTX) today announced significant progress by Pratt & Whitney and Collins Aerospace on advancing hybrid-electric propulsion through the Scalable Turboelectric Powertrain Technology (STEP-Tech) demonstrator, which completed...