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 flow chart depicts the production process of a biofuel known as ethanol.

Overall

Linking Words

, it is apparent that there are three main stages involved in the development of

the

Correct article usage

apply

show examples

biofuel, from energy generation to the release of carbon dioxide.Notably, the process transitions from a gaseous state to a chemical structure, eventually returning to a gaseous form to complete the cycle.

Initially

Linking Words

, the process begins with the pre-processing step where solid biomass

are

Change the verb form

is

show examples

broken down into smaller particles after the harvesting of plants and trees. Once the plants are converted into cellulose, the cellulose is

further

Linking Words

processed and transformed into fermentable sugars.

Following

Linking Words

this

Linking Words

, microbes are introduced to ferment the sugars, resulting in the production of ethanol. At

this

Linking Words

point, the ethanol is used as a fuel for vehicles,

such

Linking Words

as cars, trunks, and

airplanes

Change the spelling

aeroplanes

show examples

, ultimately being discharged as carbon dioxide. In the final stage, carbon is emitted into the atmosphere, where it interacts with sunlight, completing the cycle.