"With regard to the cooperation with Saudi Arabia, the dialogue between our two countries is developing in a tangible way, whether in the framework of a multi-party structure or on a bilateral level," Novak was quoted as saying.

The U.S. and Mexico will commit to joining Canada in boosting their use of wind, solar and other carbon-free sources of electricity, helping North America meet an ambitious goal of generating at least 50 percent of its energy from “clean” sources by 2025.

In 2015 global demand for primary energy grew by only 1%, significantly slower than the 10-year average. This reflected continued weakness in the global economy and lower growth in Chinese energy consumption as the country shifts from an industrial to a service-driven economy.