Gasoline prices in the United States have fallen to their lowest level since 2010. And the reason for that is pretty simple — global oil prices are crashing. But why are oil prices crashing? That's a more complex story, as we explain in the video above.
Further reading: What the huge drop in gasoline prices means for America http://www.vox.com/2014/12/2/7319307/gas-prices-falling
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