A breakthrough trial conducted by Advanced Hydrogen Technologies (AHT) Group showcased the remarkable impact of hydrogen technology on rail transport efficiency and emissions reduction. The study, carried out at the Very Light Rail National Innovation Centre in Dudley, United Kingdom, focused on a Class 08 locomotive and reported a 22% decrease in exhaust gas emissions and a 20% reduction in heavy particulates. Through the innovative four cell system hydrogen generator, carbon build-up in the locomotive was effectively cleaned, followed by the integration of a bespoke capture device that further reduced harmful emissions. The collaborative effort between AHT and Harry Needle Railroad Company (HNRC) under the Clean Futures program not only highlighted the environmental benefits of hydrogen but also emphasized the business advantages, including fuel cost savings and asset longevity. The successful testing phase demonstrated an 8% increase in diesel efficiency and notable reductions in various emissions, such as Carbon Monoxide, Carbon Dioxide, and Formaldehyde. The Engine Carbon Clean & Capture system, designed to target carbon build-up without affecting other engine components, proved to be a versatile and sustainable solution for enhancing locomotive performance. AHT's CEO, Ben Kattenhorn, emphasized the system's ability to support businesses in meeting Net Zero targets and aligning with ESG standards, offering a comprehensive approach to tackling environmental challenges in the rail industry. The modular nature of the technology ensures its adaptability to locomotives of various sizes and types, further enhancing its usability and economic benefits. Overall, the trial not only validated the efficiency and effectiveness of hydrogen technology in reducing emissions but also highlighted its potential to revolutionize the rail sector with sustainable and cost-effective solutions.