What are the advantages of fermentation of ethanol?

Question: What are the advantages of fermentation of ethanol?

Answer: There are two main methods of producing Ethanol. One requires a petrochemical feedstock and the other a biomass feedstock which produces Ethanol through fermentation. The advantage of producing Ethanol through fermentation is that no oil is required which avoids the numerous problems associated with oil including environmental damage, cost, difficulty of extraction, and so on. Although there are these advantages there are also disadvantages both of which rely on the methods used of obtaining the biomass feedstock. If petrochemical based pesticides and fertiliziers are used to produce this biomass the advantages are significiantly diminished as oil is once again being used in the process which must be examined as a whole.

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