就拿今年中型車裏的Ford Fusion做比較吧：

(三個數字分別是 city, combined, highway 的mpg)

1. 2013 Ford Fusion Hybrid FWD 4 cyl, 2.0 L, Automatic (variable gear ratios), Regular Gasoline：  47, 47, 47

2. 2013 Ford Fusion FWD 4 cyl, 1.6 L, Manual 6-spd, Regular Gasoline:  25, 29, 37

3. 2013 Ford Fusion FWD 4 cyl, 1.6 L, Automatic (S6), Regular Gasoline:  23, 28, 36

4. 2013 Ford Fusion FWD 4 cyl, 2.0 L, Automatic (S6), Regular Gasoline:  22, 26,33

5. 2013 Ford Fusion FWD 4 cyl, 2.5 L, Automatic (S6), Regular Gasoline:  22, 26, 34

6. 2013 Ford Fusion AWD 4 cyl, 2.0 L, Automatic (S6), Regular Gasoline:  22, 25, 31

7. 2013 Ford Fusion FWD 4 cyl, 1.6 L, Automatic (S6), Regular Gasoline:  24, 28, 37

數據出處：  http://www.fueleconomy.gov/feg/bymodel/2013_Ford_Fusion.shtml

看看有hybrid和沒有hybrid的差別就很明白了。。。又豈止是“貌似拾回些廢棄的能”？