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On top of the cost of fuel, air freight firms also have to think about jet engine emissions and a shortage of pilots.

As he says, he’s put “my entire adult life” into working out the most cost-effective way to operate an air freight business.

"While both industries are regulated, the challenge is significant given the sheer scale, and at the same time there are a number of ways to move products. Parcel post, air freight and shipping containers are all moving globally in high volumes," he said.

Amid one heatwave in 2022, workers at an Amazon air freight hub in San Bernardino took it upon themselves to document temperatures throughout the facility.

Andrew: F1 has created a finely honed system, combining sea and air freight, that moves large blocks of equipment around the world together, and negotiated smooth passages through customs in most countries - even if there are still occasional hiccups in places such as China.