12. What technical terms are defined in this passage?
Today, almost 8 million vehicles on U.S. highways are flexible fuel vehicles (FFVS). These vehicles can operate on gasoline or blends of gasoline and ethanol up to E85 (85% ethanol 33% gas
As a renewable fuel, ethanol offers significant advantages. It is manufactured predominantly in the United States, made from homegrown feedstocks, and is cleaner burning than gasoline
