Oil lost half of its value in seven months but there are recent signs that prices have bottomed out.
After hitting $100 a barrel in July, US crude oil has been on a downward spiral, sinking to below $44 a barrel in late January, the first time it hit that mark since April 2009.
Many economists remain pessimistic about prices this year, due to a combination of factors, such as weak economic activity coupled with a switch away from oil to other fuels.
The unwillingness by the Saudis and other Gulf countries to cut off production and sacrifice their own market share to restore...
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