Christian Science Monitor | US and global oil prices are diverging again. Here's what that means. Christian Science Monitor For several years, WTI traded at a discount to Brent – sometimes by $5 to $10 per barrel – owing to the rapid increase in oil production from the United States where the WTI marker is based. With drillers unable to export their crude, higher supplies ... Oil drops on glut worries, weak dollar limits downside Oil touches six-year low as Iran talks weigh Iran Nuclear Deal May Hit Oil Prices — Energy Journal |