Light Aircraft (IMAGE) Universidad Carlos III de Madrid Caption This image shows a light aircraft. The new system has an electric engine which is connected to the conventional engine, a high-efficiency lithium battery and an electronic system that draws energy from the battery and adapts it to the needs of the plane. Credit AXTER 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.