The aviation industry, with its rapidly growing CO2 emissions, is looking towards hydrogen-powered flight as a solution to reduce its environmental impact. Researchers are studying the feasibility of using hydrogen in aviation, considering both onboard system design and the necessary infrastructure. By modeling the electrification of turboprop aircraft with hydrogen fuel, they found that the weight of the additional fuel system components could be offset by improvements in fuel cell power and fuel system efficiency. This shift to hydrogen has the potential to significantly cut down CO2 emissions in the aviation sector. However, challenges lie in optimizing aircraft design to accommodate the bulk of hydrogen fuel systems and ensuring infrastructure for low-carbon hydrogen production and distribution. Different methods like natural gas reforming with carbon capture and electrolysis from renewable sources are being considered. Furthermore, the cost-effectiveness of hydrogen production and distribution across regions is a significant factor to address. To overcome these challenges, the researchers propose starting the implementation of hydrogen-based aviation in locations that are conducive to hydrogen production. Additionally, the infrastructure developed for hydrogen in aviation could also benefit other industries like road transportation and shipping. This transition to hydrogen-based aviation represents a positive step towards decarbonization efforts in the transportation sector, highlighting the potential for a greener future in air travel.