With the aviation industry under pressure to reduce carbon emissions, Sustainable Aviation Fuel (SAF) produced through the Hydroprocessed Esters and Fatty Acids (HEFA) pathway emerges as a promising solution. SAF, derived from biomass sources, significantly decreases carbon dioxide emissions, supporting the industry's sustainable development goals. The HEFA pathway, known for its technological maturity and versatile raw material sources including vegetable oils, animal fats, algal oils, and waste oils, transforms these inputs into high-quality SAF through pretreatment, hydrogenation, and product fractionation processes. This reliable production method ensures SAF meeting jet fuel standards and offering environmental benefits. The industry is experiencing growth in SAF capacity with the HEFA pathway being a key contributor, supported by global policies promoting SAF utilization. Countries like the US are aiming for carbon neutrality in aviation by 2050, further stimulating SAF adoption. Overall, the HEFA pathway's established technology, quality output, and alignment with green aviation objectives position it as a pivotal player in shaping the future of sustainable aviation fuel production.