Crude jumped as the prospect of a likely supply cut from OPEC outweighed the impact of weak demand from the world's biggest energy consumers.
A company that uses solar is helping to keep oil drilling viable.
Exxon Mobil’s ambitions in Russia appear to have been dashed, at least until the Ukraine crisis is resolved. The NYT reports.
Islamic State militants, who once relied on wealthy Persian Gulf donors for money, have become a self-sustaining financial juggernaut.
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