Many people are making adjustments, driving less or using cars with better fuel economy if they have that option.

很多人都在做调整，少开点车，或者尽可能提高汽油的使用效率。

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Then in order to suppress smoke and save energy, adjustments of fuel flow, injectors, valve clearance and cylinder compression, etc, are performed.

从供油量、喷油器、气门间隙和气缸压力等方面进行调整，以达到消烟节能的目的。

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