The Mayor of London has again waded into the argument over aviation capacity, telling business leaders that building a new four-runway hub airport in the Thames Estuary is the only way for the UK to be able to compete on the world stage.

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Even if the Saudi princes are telling the truth about their spare capacity, it all goes bye-bye in two more years.

FORBES: The Truth Behind Saudi Arabia's Spare Capacity

The very fact that prices are low for WTI is what is telling us that we need more transport capacity for crude oil.

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