Anecdotally, consider how much typical General Aviation flying activity has fallen as fuel prices have risen.

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So in terms of measures that are helping fuel economic activity and growth, he fought very hard for and achieved, as part of the tax cut compromise in December, extension of uninsurance -- unemployed benefits -- unemployment benefits and obviously the middle-class tax cut, as well as the payroll tax cut -- the payroll tax holiday.

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That figure is now considerably less but still probably three times global GDP, and represents a massive supply of fuel for economic activity.

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