The article highlights the collaboration between UCF researcher Subith Vasu and commercial truck manufacturer PACCAR to develop a hydrogen-based combustion engine for heavy-duty vehicles, aiming to address the high nitrogen oxide emissions from traditional diesel engines. With a $3.5 million grant from the U.S. Department of Energy, this project marks the agency's first step towards creating hydrogen combustion engines for commercial trucks. The initiative not only focuses on reducing emissions but also provides students with valuable experience through involvement in the project. The demand for hydrogen as a clean energy solution has been reinforced by government initiatives like President Biden's $62 billion appropriation, including funds for clean hydrogen solutions. While electric vehicles have gained popularity, hydrogen engines offer a promising alternative for long-haul transportation, overcoming limitations in battery capacity and charging times. However, challenges remain regarding hydrogen behavior in engine conditions, which Vasu and his team aim to address through experiments in their advanced shock tube. Subith Vasu's background in mechanical engineering and his association with UCF's advanced research centers position him well to lead this innovative project. By combining practical experiments with computational modeling, the team seeks to provide PACCAR with essential insights into the performance of hydrogen in engines, potentially revolutionizing the commercial truck industry towards a more sustainable future.