Crude futures edged higher on Monday, propped up by comments from Saudi Arabia that cooperation between oil producers who have cut production to boost prices would continue beyond 2018. Strong global economic growth coupled with a drop in U.S. drilling activity and the dollar also supported crude, traders said, while additional Libyan output capped further gains. Brent crude futures were at $68.69 a barrel at 1008 GMT, up 8 cents from their last close. Brent on Jan. 15 rose to $70.37, its highest since December 2014. U.S. West Texas Intermediate (WTI) crude futures were at $63.50 a barrel, up 13 cents. WTI climbed to $64.89 on Jan. 16, also its highest since December 2014. “A weak dollar and the weekend JMMC (oil producers meeting) are supporting prices but the restart of As-Sarah in Libya is serving as a brake on the rally,” said Tamas Varga, analyst […]