The transportation industry's impact on global greenhouse gas emissions, particularly in the U.S., has led to a surge in interest in hydrogen-powered vehicles as a sustainable solution. Hydrogen fuel cell vehicles (FCEVs) are emerging as contenders in the clean energy race, offering advantages like faster refueling times, longer ranges, and zero emissions. American automakers such as General Motors (GM) and Ford are at the forefront of this innovation, developing hydrogen fuel cell technology for a variety of applications. General Motors (GM) has a long history of hydrogen fuel cell development, with flagship models like the Chevrolet ZH2 showcasing the potential of hydrogen technology in both commercial and military sectors. Collaborations with companies like Honda demonstrate GM's commitment to mass-producing hydrogen fuel cells for passenger vehicles in the near future. GM's HYDROTEC power cubes are also being utilized in heavy-duty trucks and other applications, highlighting the scalability of hydrogen technology. Ford Motor Company is focusing on hydrogen fuel cell prototypes for commercial vehicles like the Ford F-550 Super Duty truck, aiming to improve fuel efficiency and reduce carbon emissions. Ford's exploration of hydrogen-powered transit vans for urban logistics underscores the practicality of hydrogen for large commercial vehicles. Collaborations with AVL Powertrain further solidify Ford's dedication to integrating hydrogen into its zero-emissions strategy. Nikola Corporation stands out as a pioneer in hydrogen-powered commercial trucks, with the Nikola Tre FCEV offering a substantial range for long-haul transportation. These advancements from American automakers symbolize a shift towards clean energy innovation in the automotive sector, shaping the future of zero-emission transportation in the U.S. and beyond.