The price of US oil has fallen below $US40 a barrel for the first time since April as persistent worries of both a crude and refined fuel glut and a slide in US equities offset an early boost from a weak US dollar.
The price of US oil has fallen below $US40 a barrel for the first time since April as persistent worries of both a crude and refined fuel glut and a slide in US equities offset an early boost from a weak US dollar.