The given diagram illustrates the process of one type of biofuel whose name is 
ethanol
 generated.
Use synonyms
Overall
, it is important that Etanol circulation has been passing 9 various stages that start in forests and end in transportation systems that produce carbon.
Linking Words
According to
 the pictures, vegetation, which is the main ingredient of Linking Words
ethanol
, needs sunlight and carbon dioxide for growing; Use synonyms
then
 farmers  agriculture machines Linking Words
harvesting
 Change the verb form
to harvest
thes
 plants and send them to the factory which has two sections. the first part is pre-processing, which produces cellulose from plants and trees. 
The graph demonstrates in the second part cellulose passes some prosses and becomes sugars; Correct your spelling
these
thereafter
, company workers add microbes to sugar inasmuch as a reaction between these elements Linking Words
Correct word choice
and manufactures
manufactures
 Correct subject-verb agreement
manufacture
Ethanol
, which is a kind of vehicle fuel Use synonyms
such
 as cars, trucks and so on. Linking Words
In addition
, machines that use Linking Words
Ethanol
 for their fuel generate carbon dioxide, the best gas that jangles need for growing.Use synonyms