Journal of Energy Bioscience 2024, Vol.15, No.3, 208-220 http://bioscipublisher.com/index.php/jeb 218 The future of corn ethanol fuel production looks promising, with ongoing advancements in technology and agricultural practices contributing to its sustainability and economic viability. However, it is crucial to address the environmental concerns associated with intensive corn farming and to explore alternative feedstocks and production methods that can complement corn ethanol. The integration of first- and second-generation ethanol production, along with the use of co-products, offers a pathway to a more efficient and sustainable biofuel industry. Stakeholders must work collaboratively to ensure that corn ethanol continues to evolve as a viable and environmentally friendly energy source. Acknowledgments The author extends sincere thanks to two anonymous peer reviewers for their feedback on the manuscript of this paper, whose evaluations and suggestions have greatly contributed to the improvement of the manuscript. Conflict of Interest Disclosure The authors affirm that this research was conducted without any commercial or financial relationships that could be construed as a potential conflict of interest. References Arodudu O., Helming K., Voinov A., and Wiggering H., 2017, Integrating agronomic factors into energy efficiency assessment of agro-bioenergy production - A case study of ethanol and biogas production from maize feedstock, Applied Energy, 198: 426-439. https://doi.org/10.1016/j.apenergy.2017.02.017 Aziz I., Rasoanaivo J., L., and A., 2020, Optimization of ethanol production from roots of tuberous plants: the case of cassava, International Journal of Advance Research and Innovative Ideas in Education, 6: 32-42. Condon N., Klemick H., and Wolverton A., 2015, Impacts of ethanol policy on corn prices: A review and meta-analysis of recent evidence, Food Policy, 51: 63-73. https://doi.org/10.1016/j.foodpol.2014.12.007 Čuček L., Martín M., Grossmann I., and Kravanja Z., 2011, Energy, water and process technologies integration for the simultaneous production of ethanol and food from the entire corn plant, Comput. Chem. Eng., 35: 1547-1557. https://doi.org/10.1016/j.compchemeng.2011.02.007 Doe J., 2019, Ethanol production using corn, switchgrass, and wood; Biodiesel production using soybean and sunflower, Natural Resources Research, 7: 10-15. Donke A., Nogueira A., Matai P., and Kulay L., 2016, Environmental and energy performance of ethanol production from the integration of sugarcane, corn, and grain sorghum in a multipurpose plant, Resources, 6: 1-19. https://doi.org/10.3390/resources6010001 Dutta A., Bouri E., Junttila J., and Uddin G., 2018, Does corn market uncertainty impact the US ethanol prices? GCB Bioenergy, 10: 683-693. https://doi.org/10.1111/gcbb.12527 Eckert C., Frigo E., Albrecht L., Albrecht A., Christ D., Santos W., Berkembrock E., and Egewarth V., 2018, Maize ethanol production in Brazil: Characteristics and perspectives. Renewable and Sustainable Energy Reviews, 82: 3907-3912. https://doi.org/10.1016/j.rser.2017.10.082 Fan C., Qi K., Xia X., and Zhong J., 2013, Efficient ethanol production from corncob residues by repeated fermentation of an adapted yeast, Bioresource technology, 136: 309-315. https://doi.org/10.1016/j.biortech.2013.03.028 García-Velásquez C., Daza L., and Cardona C., 2020, Economic and energy valorization of cassava stalks as feedstock for ethanol and electricity production, BioEnergy Research, 13: 810-823. https://doi.org/10.1007/s12155-020-10098-8 Guillaume A., Thorigné A., Carré Y., Vinh J., and Levavasseur L., 2019, Contribution of proteases and cellulases produced by solid-state fermentation to the improvement of corn ethanol production, Bioresources and Bioprocessing, 6: 1-12. https://doi.org/10.1186/s40643-019-0241-0 Han M., Kim Y., Kim Y., Chung B., and Choi G., 2011, Bioethanol production from optimized pretreatment of cassava stem, Korean Journal of Chemical Engineering, 28: 119-125. https://doi.org/10.1007/s11814-010-0330-4 Harris P., Xu F., Kreel N., Kang C., and Fukuyama S., 2014, New enzyme insights drive advances in commercial ethanol production, Current Opinion in Chemical Biology, 19: 162-170. https://doi.org/10.1016/j.cbpa.2014.02.015 Hill J., 2022, The sobering truth about corn ethanol, Proceedings of the National Academy of Sciences of the United States of America, 119(11): e2200997119 https://doi.org/10.1073/pnas.2200997119
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