. 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, 15% gasoline). 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 :answers a. e85 b. ffv & e85 c. ffv d. ffv & e85 & gasoline