U.S. Secretary of State John Kerry defended on Sunday his presentation of a framework agreement on Iran's nuclear program after a different interpretation was offered by Iran's supreme leader, and a prominent U.S. senator said Kerry was "delusional."

• April 12, 2015

Ukraine has signed an interim deal for cheaper supplies of gas from Russia for the next three months, providing a breathing space for both sides in their protracted wrangle over pricing, Ukrainian energy officials said on Thursday.

• April 2, 2015

The European Commission is aiming to broker more talks between Russia and Ukraine this month to try to extend a discount on gas prices for Kiev, Commission Vice President Maros Sefcovic said on Wednesday.

• April 1, 2015

China has managed to export a large shipment of crude oil from Yemen over the weekend, ship-tracking data showed on Monday, despite mounting chaos in the country after the launch of Saudi-led air strikes last week.

• March 30, 2015

Greece's Energy Minister Panagiotis Lafazanis will meet his Russian counterpart and the CEO of energy giant Gazprom in Moscow on Monday, as he hit out at the EU and Germany for tightening a 'noose' around the Greek economy.

• March 28, 2015

The foreign ministers of France and Germany joined the top U.S. and Iranian diplomats on Saturday to help break an impasse in nuclear negotiations as major powers and Iran closed in on a 2- or 3-page accord that could form the basis of a long-term deal.

• March 28, 2015

The three main members of the Russian-led Eurasian Economic Union face a big economic challenge from the fall in global oil prices, Kazakh President Nursultan Nazarbayev said on Friday.

• March 20, 2015

Russia may ease the terms of its gas supplies to Ukraine but Kiev will have to pay for the gas Moscow is supplying to rebel-held areas of east Ukraine, Russian Energy Minister Alexander Novak said.

• March 11, 2015