The vehicle can also use its small petrol engine to extend its range or to supply additional power when required.
该车也可以使用其小型汽油发动机来扩大储存能量，或在需要时提供额外的电源。
With lead and MTBE additives now phased out, spiking petrol with a small amount of ethanol raises its octane level enough to prevent the engine from "knocking" under load.
目前铅和甲基叔丁基醚(MTBE)等添加剂被叫停，取而代之的是在汽油中添加少量酒精，这样提升辛烷水平能防止负载中引擎产生爆震。
Because it is not heavy for the power it gives, a petrol engine is still used in small aircraft.
就功率来说，汽油发动机不算重，因此，现在的小型飞机仍然使用它。
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