Iran has invited U.N. inspectors to visit its Arak heavy-water production plant on December 8, the first concrete step under a cooperation agreement to clarify concerns about Tehran's disputed nuclear program.

• November 28, 2013

World shares and the dollar slipped on Tuesday as oil prices climbed amid doubts over the real impact of the Iran nuclear deal and renewed political tensions in the East China Sea.

• November 26, 2013

Ukraine signed a $10 billion shale gas production-sharing agreement with U.S. Chevron (CVX.N) on Tuesday, another step in a drive for more energy independence from Russia.

• November 5, 2013

Russia's Rosneft (ROSN.MM), the world's largest listed oil company by output, is cutting its forecast of production at the Vankor field in East Siberia that serves as its main resource base for supplying Asian markets.

• October 23, 2013

China will replace four coal-burning heating plants in the capital Beijing with natural gas fired ones by the end of next year as it steps up efforts to clean up pollution, the official Xinhua news agency reported on Saturday.

• October 5, 2013

EU regulators are preparing to charge Russian gas export monopoly Gazprom with abusing its dominant position in central and eastern Europe, the EU's antitrust chief said on Thursday, in a move that could lead to a fine of up to $15 billion.

• October 3, 2013

Iran's deputy foreign minister says Tehran is willing to discuss limits to its uranium enrichment but will not suspend the process completely.

• September 30, 2013

Oil company Rosneft (ROSN.MM) is acquiring Enel's (ENEI.MI) indirect stake in Russian gas producer SeverEnergia, valued at $1.8 billion, in its latest move to boost its presence in the gas market.

• September 24, 2013