Manufacturers of small high-tech electronics goods, where freight costs account for a tiny fraction of the retail price, may not be that bothered about hedging freight rates.

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Travel would be provided by a streamlined and refurbished underground system, which would also be used at night for transporting freight and goods into central London.

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Companies producing perishable goods frequently use air-freight.

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He will visit the port, the embarkation platforms for heavy goods vehicles travelling on the Eurotunnel freight shuttles.

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After levelling off in March, the amount of goods hauled by trucks - known as freight volumes - fell once again in April and May.

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Even if American freight carriers were to copy El Al, Israel's airline, and hold goods for a day for security checks, it would not greatly erode the advantages of air freight over other means of transport.

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An overall lighter weight vehicle allows a shipper to pack more goods in a truck and still stay within fuel standards, which will increase freight movement.

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And Stalk points out that air freight, thought to save the day for lightweight or high-value goods, is facing its own overload from unbuilt runways and a scarcity of planes.

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Impressive growth in air freight is largely a result of growing demand for transportation for high-value and perishable consumer goods.

ECONOMIST: Inspecting the cargo | The