Fuente: Green Extration Byproduct This chapter explores the potential feedstocks for the production of alcohols—methanol, ethanol, and butanol—highlighting their significance in the context of sustainable energy solutions. It begins with a brief introduction to these alcohols, elucidating their roles and applications. The chapter then delves into the importance of sustainable feedstock for alcohol production, examining the environmental impact, economic benefits, and long-term sustainability. A review of conventional feedstocks and procedures provides a foundation for understanding current practices. The chapter categorizes various renewable feedstocks, discussing their viability and potential advantages. Key considerations for feedstock selection are outlined to guide optimal choices for alcohol production. Finally, future prospects and challenges in the field are addressed, with an emphasis on the technological and regulatory developments required to advance the industry. This comprehensive overview serves as a crucial resource for researchers and practitioners seeking to enhance the sustainability and efficiency of alcohol production.