<strong>With the constant search for replacement and reduction of the use of petrol, gasoline, and other fossil fuels, ethanol came into action with lots of benefits it can bring to industries. The alternative needs to be renewable and have a lower environmental impact. It started being used as a biofuel for transport, with lower CO2 emissions. The biggest challenge is to optimize ethanol production, develop the technology to obtain energy and go beyond the use of ethanol for food supply only. How is ethanol shaping the future of sustainable production?</strong>