The diagram illustrates the step-by-step process involved in making ethanol for the production of biofuel.

The diagram illustrates the step-by-step process involved in making

ethanol

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for the production of biofuel.

Overall

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, there are eight consecutive steps. The process starts with harvesting plants and trees, which are

then

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converted into finer particles, and

lastly

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producing

ethanol

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to use as vehicle fuel. In the first stage, plants and trees grow by absorbing carbon dioxide and sunlight; they are harvested by farmers. In the next step, these raw materials are collected and processed into smaller particles using a grinder machine. These smaller particles are

further

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sent to the labs

and

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, and

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chemicals are added to break down the cells.

Thereafter

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, the chemical formula is extracted sugars and microbes are

then

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added to the mixture, which produces

ethanol

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. The

ethanol

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is produced to be used as fuel for vehicles

such

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as cars,

airplanes

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aeroplanes

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, and trucks.

Moreover

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, the carbon dioxide emitted during combustion is absorbed again by plants, completing the cycle.