Questão 30585

“Even though it may be 5 to 10 years before green gasoline arrives at the pump or finds its way into a jet airplane,” (lines 12-14) – comparison

“…while fitting into the existing infrastructure today.” (lines 22-23) – consequence

“…then rapidly cooled the products to create a liquid that contains many of the compounds found in gasoline.” (lines 27-29) – contrast

“‘Green gasoline is an attractive alternative to bioethanol since it can be used in existing engines…’” (lines 32- 33) – reason

“‘Making it from cellulose sources such as switchgrass or poplar trees grown as energy crops,” (lines 40-42) – addition