根据英国运输部门的数据，运输卡车所行驶的路程中有大约四分之一是空载的。

Lorries run empty for almost a quarter of the miles they cover in the UK, according to data from the Department for Transport.

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设计世界上第一辆具有商用价值的飞行汽车意味着独一无二的挑战：首先要制造一个能在空载飞行时不发生过热的飞行器引擎；

Designing the world's first commercially viable flying car presents unique engineering challenges.

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但是，如果企业能够一起分享他们的物流系统，他们就可以减少空载运输，降低燃料成本和尾气排放。

But if companies come together to share distribution systems they can reduce empty running to cut fuel costs and slash carbon emissions.

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