In light of the growing global demand for sustainable energy sources, this study proposes an innovative approach to bioethanol production by synthesizing bioethanol from blue-green algae (Chlorella sorokiniana) cultivated within a closed photobioreactor system. Capitalizing on the rapid growth and high lipid content of algae, in conjunction with the utilization of vegetable waste, this method offers a sustainable and efficient route for bioethanol synthesis. Through meticulous optimization of algae cultivation and fermentation processes, our project aims to achieve maximal ethanol yield while maintaining purity. Additionally, the integration of algae-derived ethanol as an alternative fuel for spark-ignition engines presents a promising avenue for reducing reliance on fossil fuels and mitigating environmental harm. Despite challenges such as the high capital and operating costs of algae cultivation, seasonal variations in polluted water availability, and the processing of seaweeds with relatively low carbohydrate content, our interdisciplinary effort strives to overcome these obstacles and contribute to the advancement of renewable energy technologies. Ultimately, our work aims to address pressing environmental concerns and pave the way towards a greener and more sustainable future.