The diagram below shows how a biofuel called ethanol is produced.

The process illustrates data about how to produce a biofuel called ethanol. In general, it can be clearly seen that there are X stages, beginning with Plants and trees growing and finishing with carbon dioxide. In the first

stage

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, plants and trees grow with the sunlight and greenhouse gases to produce energy for the plants.

This

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is followed by people who harvested the crops with a harvesting machine ,

after

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and after

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that, it is ground with a special machine for pre-processing.

Then

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, it is given off to the cellulose with small molecules.

Subsequently

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, it is put in a special container and the cycle is treatment, as it repeated continuously. In the next step, sugar is converted into ethanol.

This

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stage

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is when bacteria are added to the figure; after that, it is transformed into ethanol.

Then

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, it provides the transport with the carbon dioxide. In the

last

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stage

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, the greenhouse gas is released cycle to the first

stage

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to provide energy.