Dr. Ng with his Testing Apparatus (image) City University of Hong Kong Share Print E-Mail Caption Dr. Ng's research may help to resolve the two issues of energy shortage and excessive carbon dioxide emissions. Credit @CityU Usage Restrictions The image can only be used with appropriate caption and credit. Share Print E-Mail 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.