The aviation industry is undergoing a transformative shift towards cleaner and more sustainable flight options, with a strong focus on electric-powered aircraft. While lithium-ion batteries have been a primary choice for some companies like Joby Aviation for short-haul flights, there is a growing exploration of hybrid models that combine batteries with hydrogen propulsion. Sustainable Aviation Fuel (SAF) derived from waste is also being developed to significantly reduce carbon emissions, with partnerships like Boeing and Clear Sky taking the lead in this initiative. Despite the promising potential of hydrogen fuel, challenges related to storage and infrastructure remain significant hurdles to its widespread adoption in the aviation sector. Engineers are working to tackle high-power electrical system challenges at high altitudes, crucial for the future of both electric and hydrogen-powered aircraft. Electric aircraft face major obstacles, particularly in terms of energy density compared to fossil fuels. The limitations of lithium batteries in energy density require large batteries for decent range, increasing the weight of the aircraft and reducing efficiency. This challenge makes electric aircraft inefficient for cargo transportation, limiting their viability to small passenger aircraft. The high costs of batteries present another obstacle for large-scale electric aircraft. Partnerships focusing on sustainable aviation fuel development, such as Boeing's collaboration with Clear Sky, underscore the industry's commitment to reducing carbon emissions and exploring alternative fuel sources. Efforts in developing SAF technologies and exploring hydrogen as a potential fuel source are crucial steps towards decarbonizing long-haul flights and mitigating the environmental impact of aviation. Advancements in technology are essential to address the challenges faced by electric aircraft and pave the way for a future where electric propulsion could revolutionize air travel.