Investigators found that the oil level was low and there were indications that there had been a leak in the system.

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The report does not rule out other possible contributors to Gulf War illness -- including low-level exposure to nerve agents and close proximity to oil well fires -- though it fails to establish any clear link.

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Currently, the number of days of oil demand cover is at a low of about 57, the same level we saw in 2004 and late 2007.

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But even more pertinent is the huge variation in their national interests, between those such as low-lying small islands that may literally cease to exist as nations as the sea level rises, and the oil-producing states of the Persian Gulf and Opec for whom the priority is to keep the oil and gas flowing.

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