This week, the price of a barrel of crude dropped to $30 a barrel -- the first time since 2003.
That might be great news for commuters and consumers, but terrible news for a long list of countries ranging from Saudi Arabia to Nigeria to Canada to Scotland.
Many factors have feed the long decline of oil prices, including the uptick in the production of oil in the US through fracking. Signs of economic troubles in China are contributing to the Black Gold’s most recent slump.
Which countries are the winners and losers of cheap oil? How low can oil prices go?
Gurpal Dosanjh, energy analyst at Bloomberg Intelligence
Gary Hufbauer, a senior fellow at the Peterson Institute for International economics and has written extensively about global trade and oil