The global hydrogen bus market is anticipated to witness substantial growth, with a forecasted exceptional compound annual growth rate (CAGR) of 32.2% from 2025 to 2032, leading to a market value of $18.2 billion by 2032. The market segmentation highlights various trends in bus types, cell technologies, power outputs, and regional market leadership. Single deck buses currently dominate the market, driven by urban transportation incentives and environmental policies. The articulated deck segment is projected to experience the highest CAGR due to the demand for high-capacity transportation. Moreover, double deck buses are gaining popularity in metropolitan areas with space-efficient transit needs. Government efforts towards clean energy sources are fueling the adoption of hydrogen buses across all types. In terms of cell technology, proton exchange membrane fuel cells lead the market share, followed by solid oxide fuel cells and alkaline fuel cells. The below 100 kW power output segment is favored for urban areas and micro-transit services, while the 100-200 kW segment is expected to support longer routes and higher speeds. Regions like Europe, Asia-Pacific, and North America play key roles in the market, with Europe currently dominating and Asia-Pacific projected to grow significantly. The report also outlines key market drivers such as the demand for zero-emission commercial vehicles, government initiatives towards clean energy, advancements in fuel cell technologies, and the expansion of hydrogen infrastructure. Opportunities for market growth include the development of regional clean hydrogen hubs, strategic partnerships, and integration of advanced fuel cell technologies. However, challenges like high initial capital costs, limited refueling infrastructure, technical complexities in fuel cell technology, and regulatory standardization issues across different regions pose obstacles to market expansion. The sentiment of the article is positive, reflecting a transformative shift towards zero-emission public transportation driven by government initiatives and technological advancements.