The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant

The diagram illustrates the process by which

ethanol

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, a type of biofuel, is produced from

plants

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and trees.

Overall

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, there are eight main stages in

this

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process, starting with the growth of

plants

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and ending with the emission of

carbon

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dioxide when

ethanol

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is used as fuel.

Firstly

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,

plants

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and trees absorb sunlight and

carbon

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dioxide through photosynthesis to grow. Once they have fully matured, they are harvested by farmers and delivered to the pre-processing stages, where the harvested

plants

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are cut into smaller pieces or ground to extract cellulose, the main resource for

ethanol

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processing. In the

ethanol

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factory, enzymes are added to convert the cellulose into sugars. These sugars are

then

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fermented by microbes to produce

ethanol

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. The

ethanol

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is

subsequently

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purified to ensure high quality.

Finally

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,

this

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purified biofuel is distributed via gasoline stations for various vehicles, including trucks, cars, and planes. The

carbon

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dioxide emitted from these means of transportation

then

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returns to the atmosphere and is reabsorbed by

plants

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, continuing the

carbon

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cycle.