Major drawback to the use of ethanol-based energy is Ethanol creates toxic waste that must be stored forever. Thus the correct answer is D.
<h3>What is Ethanol based energy?</h3>
Ethanol is a transportation fuel that is renewable and made in the United States. Ethanol used in low-level mixes or a gasoline-ethanol mixture comprising 51 percent to 83 percent ethanol, depending on area and season it helps to cut emissions.
Researchers have created a number of technologies for prospective improvements, particularly for value creation to waste generated, but the sugarcane ethanol sector has absorbed very little of them. These findings indicate that such methods have long-term harmful consequences for water and soil.
Therefore, option D Ethanol creates toxic waste that must be stored forever is correct answer.
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