The main purpose of this text is to 
According to the text, it is NOT correct to affirm that green gasoline 
In the sentence “‘It is likely that the future consumer will not even know that they are putting biofuels into their car,’” (lines 16-17), “It is likely that” could be substituted by 
The item “themselves” (line 27) refers to 
Which alternative contains a correct correspondence of meaning? 
Mark the sentence in which the idea introduced by the word in bold type is correctly described. 
Paragraph 4 (lines 24-31) informs that UMass researchers produce green gasoline by 
According to this text, it might be said that corn ethanol and soy biodiesel have 
The text says that research on green gasoline has 
The title of the text, “Money Doesn’t Grow on Trees, But Gasoline Might”, refers to the 