Since he returned to the Oval Office, the benchmark West Texas Intermediate oil price has fallen from $80 a barrel to $60 (see chart 1). Some also speculate that Mr Trump’s noisy demands for a lower price contributed to a recent decision by the OPEC cartel to boost production,

Terrel Hardin was at a diner along Route 66 in western Oklahoma when his phone rang with bad news: The engine on one of his oil rigs had broken. In times past it would be a straightforward $6,000 fix,

Markets should prepare for a sharp downturn in the oil price, analysts with a satellite oil-tracking firm write in a guest commentary.