Sustainable aviation fuel (SAF) has the potential to revolutionize the aviation industry by significantly reducing carbon emissions. While the uptake of SAF has been slow, recent developments show promising advancements in the sector. United Airlines and other stakeholders have been experimenting with various bio-based sources for over a decade, but production remains limited and expensive. The use of cultivated crops for fuel raises concerns about carbon emissions from agriculture. Electrofuels, on the other hand, offer a cleaner alternative with the potential to achieve a 90% reduction in carbon emissions. Investments in companies like Twelve are driving the development of electrofuels, with United Airlines showing interest in this innovative solution. Additionally, the production of bio-based SAF is gaining traction, with projects like Diamond Green Diesel, New Rise Renewables, and Montana Renewables expanding their facilities to increase fuel output. The U.S. Energy Information Administration reports a significant increase in sustainable aviation fuel production, indicating a shift towards more sustainable aviation practices. Government support, such as the loan guarantee received by Montana Renewables, plays a crucial role in advancing these projects. With growing investments and improving technology, the aviation industry is on track to enhance sustainability through the widespread adoption of SAF.