Diezani Alison-Madueke had been accused of receiving private jet flights and use of properties in top London districts

Fears of summer shortages and $200 oil have been replaced by a focus on looming gluts

Speculation of a looming consolidation wave mounts in the heartland of the US shale oil patch

Power developer Invenergy will redeploy funds into natural gas and geothermal projects in western US

The choice is between a climate strategy that strengthens economic security and one that hollows it out

‘Gradual’ return of flows will give way to sharp rise in production, outstripping forecasts for increased demand

Once flows resume properly, there will be a lot of extra oil in the system

Oil production facilities and markets will take months or years to work through consequences of Strait of Hormuz closure

Response to Middle East energy crisis varies widely across the globe