If you noticed prices going up at the gas pump, you're not alone.
What's triggering the rise? Oil prices are back up.
The price of a barrel of light crude oil is trading at just above 100 dollars a barrel right now.
They shot up more than 2 percent yesterday, after Iran threatened to choke off oil supplies flowing through the strait of Hormuz. Iran is the number two OPEC producer. Roughly a sixth of the world's oil moves through the Strait of Hormuz.
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