The Bulgarian government finds itself in a position where it needs to secure long-term reliable natural gas supplies, after two successive failures in the past few years to get involved in major infrastructure projects, namely the Nabucco and the South Stream pipelines.

Could an oil and gas bounce-back loom in America’s near future? During his appearance on CNBC’s “Squawk Box,” energy magnate Boone Pickens seems to think so, forecasting prices to rise to $70 per barrel by the end of the year.

Natural gas international markets are constantly growing. Despite the ongoing crisis, Europe is increasing its dependence on imports, while emerging economies in Asia face the daunting task of fuelling their economic growth.

Private equity groups including Carlyle and Blackstone are to deploy billions of dollars in a hunt for acquisitions across the oil and gas industry, with a collapse in oil prices expected to lead to a wave of asset sales.

Energy Minister Taner Yıldız claimed the allegation regarding the 10.25 percent discount agreement reached with Russian state-owned energy giant Gazprom was not real.

From the first day of the summit of EU leaders in Brussels, the message resonated loudly: there seems to be one single front against Russia and toward the creation of the Energy Union, while a widespread criticism over the European approach to the Greek saga emerged amid tensions.

Russia may postpone completion of a huge pipeline to bring gas from two new fields to China, three sources with direct knowledge of the plans of export firm Gazprom said, delaying one of President Vladimir Putin's signature projects.

The level of interest in new oil and gas exploration in the Gulf of Mexico is slowing due to the low price of oil, but federal regulators said they remain optimistic about the future of offshore drilling.

Russian billionaire Mikhail Fridman is preparing to sell a dozen North Sea gasfields at the heart of a fierce row over ownership, in a move that would avert a high-profile legal battle with the UK government.

As the West tightened its grip on Russia with sanctions, particularly in energy, following the annexation of Crimea last year, the European Union is trying to expand its cooperation to counter Russia's dominant position in energy sector.