Montgomery County in the United States is paving the way for sustainable transportation by introducing hydrogen-powered buses at the new Rockville transit center. The county's significant investment in renewable energy technology, supported by a private-equity-backed energy company, is aimed at combatting climate change and reducing greenhouse gas pollution. The innovative approach includes the installation of an electrolyser to produce hydrogen on-site, making it the largest renewable energy-powered bus depot in the nation. Additionally, with ambitious goals for decarbonization, Montgomery County aims to lead the way in sustainable transportation practices. A recent federal grant of $13 million is facilitating the transition to zero-emission buses, with plans to replace the existing diesel fleet with electric buses to achieve long-term cost savings. The microgrid setup at the new transit center, along with the county's commitment to green infrastructure and renewable energy sources, showcases a comprehensive approach to modernizing the transportation sector. By integrating hydrogen technology, battery storage, and solar panels, the transit depot will be able to operate autonomously and contribute renewable energy back into the grid. This initiative highlights the importance of public-private partnerships and innovative energy solutions in driving sustainable development. The project's focus on energy infrastructure and microgrid technology sets a precedent for other regions looking to enhance their transportation systems while reducing environmental impact.