translation.en: But it's even a better deal for heavy trucks, where you save a similar amount at 25 cents a gallon, with better aerodynamics and tires and engines, and so on, and taking out weight so you can put it into payload.
translation.zh: 但是，重型卡车的话会更划算 节省的燃料差不多，每加仑只需25美分 还有更先进的空气动力，轮胎和引擎等。 还解决了重量问题，因此你可以把它算进载重量