test plane.jpg (IMAGE) University of Arkansas Caption University of Arkansas researchers collaborated with two private companies, Ampaire and Wolfspeed, and the University of Illinois to develop an electric motor drive tested in flight on an hybrid electric aircraft. Credit Ampaire, Inc. Usage Restrictions none License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.