A major oil producer is walking away from the Organization of the Petroleum Exporting Countries at a critical moment for global energy markets. On Tuesday, the United Arab Emirates announced it will withdraw from the organization on May 1. This ends nearly six decades of membership and deals a significant blow to the world's most powerful oil producers' alliance. The move reflects a growing tension at the heart of OPEC: Producers with spare capacity are increasingly constrained by quotas as the

Tag-uri: Petrol