The shortage is also felt in other Iraqi cities, and even black market sellers can't keep up with the demand.

NPR: Oil Rich Iraq Suffers Through Gasoline Shortage

Brent crude's position as the accepted benchmark for pricing most of the world's oil is coming under fire, as experts in the oil market say the blend doesn't reflect true global supply and demand.

WSJ: Brent Benchmark Is Skewed by Crude Measure

Banks aren't picking up the slack in demand in the auction rate market.

FORBES: The Fed's Fix