What are the advantages and disadvantages of using ethanol?

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What are the advantages and disadvantages of using ethanol?



Advantages of using ethanol :


Wastes are now treated to produce biogas and liquid fertilizers recycled to sugarcane fields

In Hawaii, sugarcane waste is burned to produce electricity

There is now sufficient idle farmland to produce enough ethanol to meet fuel needs for most of the U.S. vehicles; however, this is not practical for economic reasons and automobile engines would need modifications to run smoothly on pure ethanol.


Disadvantages of using ethanol : 


The wastes from ethanol distillation were originally dumped in rivers, causing water pollution.

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