Subith Vasu (IMAGE) University of Central Florida Caption Mechanical and Aerospace Engineering Professor Subith Vasu and students pose with a PACCAR truck that may stand to benefit from Vasu’s hydrogen combustion engine research. (Photo by Antoine Hart) Credit Photo by Antoine Hart Usage Restrictions For use with coverage with UCF's hydrogen combustion engine research. Credit must be given to the University of Central Florida. License Original 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.