首頁›Browse›F›fuel economyfuel economy編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看fuel economyfuel economy — 名詞名詞1. the efficiency of a vehicle in using fuel1.名詞釋義燃油效率the efficiency of a vehicle in using fuel例句This car has excellent fuel economy, getting 40 miles per gallon.