Song-Charng Kong, Iowa State University (IMAGE) Iowa State University Caption Song-Charng Kong, an Iowa State University assistant professor of mechanical engineering who studies combustion, is leading a research project that aims to develop new, clean and renewable energy technologies that complement the ethanol industry. Credit Bob Elbert/Iowa State University 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.