A new era of clean transit emerges in San Bernardino, California, as the city introduces the first hydrogen-powered passenger train in North America. This groundbreaking Zero Emission Multiple Unit (ZEMU) operates on a hybrid hydrogen fuel cell and battery system, marking a significant step towards zero-emissions transportation. The train, set to run on a 9-mile route between San Bernardino and Redlands, aims to combat the heavily polluted air in the region, primarily caused by distribution centers. California's state transportation department, Caltrans, showcases interest in the project's success by commissioning longer versions of the hydrogen-powered trains for a new line connecting Merced and Sacramento in the Central Valley. This initiative reflects a commitment to expanding clean transit options and reducing carbon emissions. However, the article also underscores the need for substantial investment in infrastructure to support the widespread use of hydrogen-powered trains, including facilities for train manufacturing and hydrogen fuel production. This highlights the energy-intensive nature of transitioning to clean transit systems and the challenges associated with scaling up hydrogen technology in the transportation sector.