LONDON—Big oil producers outside OPEC aren’t cutting production as much as they pledged, Qatar’s oil minister said Wednesday, deepening pessimism about the effect of a landmark output deal struck last year. Russia, Mexico and nine other oil-producing countries agreed in December to reduce their output by a combined 558,000 barrels a day. The promise was part of a deal to raise crude prices with the 13 nations of the Organization of...

Source: Wall Street Journal February 22, 2017 13:18 UTC