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。

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.

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阿基补充道：“这些添加剂不正宗。印度人不吃这些东西——它们只会增加无人机的负载。”

Aki added: 'These ingredients [additives] are not genuine. They are not what Indian people eat - and they would only provide more weight for my drone.'

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