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Ethanol is a result of anaerobic respiration (fermentation). Ethanol could potentially be utilized as a biofuel. The biofuel produced in the United States is made from corn fermentation.
You are correct! From the corn! Check out this article.
Biofuels are not simply restricted to maize, but can also be created from other plant materials such as sugarcane.
The fermentation process yields a product that is around 15% alcohol and 85% water. Fermentation stops at this phase because the ethanol accumulation is poisonous to the yeast. To be utilized as a fuel, alcohol must be separated from water through the distillation process.
Net use of corn in US
Corn ethanol manufacturing is a big business. According to 2013 estimates, 40% of US maize production went to ethanol, 45% to animal feed, and 15% to food products for direct human consumption. Ethanol is utilized as a fuel additive to create a cleaner burn in automotive engines as well as an additional source of energy to power the engine. There is, however, an article that questions the use of corn ethanol.
There are significant disadvantages to using ethanol as an energy source. The widespread use of corn for fuel and animal feed has limited the supply of corn available for human consumption. Corn prices have risen as a result. This is wreaking havoc on the impoverished in developing countries who have come to rely on imported corn.
The Process of producing ethanol from corn:
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