Oil advanced as Saudi Arabia was said to have informed its customers it will stand by its commitment to cut production before OPEC meets with producers from outside the group to discuss reductions. Futures climbed 1.3 percent, extending Thursday’s 2.2 percent gain. Saudi Arabian Oil Co.’s customers have received notice that January crude shipments will be cut in line with the Nov. 30 OPEC agreement, a Gulf oil official said . Russia will fulfill its pledge to cut output by as much as 300,000 barrels a day if OPEC follows through on its commitment, according to a Russian government official familiar with the matter. Ten non-OPEC nations are expected to attend the meeting with the Organization of Petroleum Exporting Countries in Vienna on Saturday, people familiar with the matter said. The group will accept natural declines from some nations, rather than insisting on active cuts, in its effort to […]