An energy adviser and columnist. Former chief of energy studies at OPEC Secretariat.

Is the petrodollar losing its lustre?

The petrodollar — which refers to the designation of the US dollar as the accredited currency in the purchase and sale of petroleum — has long been a…

Why did OPEC+ producers cut oil output?

The announcement by OPEC+ producers of a further oil output cut of 1.6 million barrels per day has shocked the oil markets.The cut, effective from 1…