translation.en: And yet we may not realize that in a standard sedan, of all the fuel energy you feed into the car, seven-eighths never gets to the wheels; it's lost first in the engine, idling at zero miles a gallon, the power train and accessories.
translation.zh: 然而我们可能没有意识到，在标准汽车内部 你给车加的那些油的能量 八分之七都没用在车轮子上 首先，浪费在引擎内部，还没起步， 动力系统和配件就费了一加仑油