Gazprom has given Ukraine's government six more days to pay $3.5 billion in outstanding gas charges. It comes as the Ukraine crisis deteriorates in the east, where pro-Russian forces are clashing with the Ukraine military.
Shale oil and gas companies' debt has almost doubled in the last four years. What are the consequences if the US shale industry experiences a shakeout?
Kurdistan exported its first shipment of oil to the international market. What does this mean for Kurdistan's relationship with Baghdad?
Oil companies ExxonMobil and BP defy the United States by collaborating with Russia in the energy sector. ExxonMobil and BP have separately signed agreements with Rosneft, Russia's state-owned oil company.
On May 11, there was enough sunshine and wind in Germany to meet 75 percent of the country's demand for energy. It was also enough to cause Germany's price of electricity to cost practically nothing for an hour.
Russia can't go it alone in drilling for oil and gas off the coast of Crimea, Cunningham writes, and it will have a hard time attracting Western partners that don't recognize Crimea as a legal part of Russia.
ExxonMobil's joint venture-led Papua New Guinea Liquefied Natural Gas plant has started production ahead of schedule, offering new supplies of LNG to Japanese, Taiwanese, and Chinese buyers. The plant is expected to produce more than 9 trillion cubic feet of gas over 30 years of operation.
The US in in the middle of a natural gas boom, and yet cars that run on the fossil fuel have yet to really catch on. The problem with natural gas vehicles is really a chicken-and-egg problem, Cunningham writes.
Russian energy companies begin to feel pinch as the Ukraine crisis continues and Western nations consider sanctions against Russian energy. If Ukraine's turmoil continues, the Russian economy could lose $115 billion in revenues in 2015.
Russia's Gazprom says there isn't significant risk of disruption of gas to Europe because the Russian gas giant expects to have low seasonal demand. Gazprom CEO Alexei Miller announced that Ukraine would no longer receive more gas starting in June unless it will pay for deliveries in advance.
US crude oil imports are down by 23 percent since 2008. Industry officials and experts are considering lifting a decades-old ban on US oil exports.
An oil train derailed near Denver, two days after the Department of Transportation announced an emergency order on transporting crude oil by rail. However, some critics say that they are not satisfied with the department's slow pace.
Lithuania has successfully negotiated down the price it pays Gazprom for Russian natural gas through 2015. The cheaper natural gas comes as Lithuania aggressively pursues global suppliers of liquefied natural gas (LNG).
Tensions between China and Vietnam over oil in the South China Sea continue to escalate. The two sides are fighting over control of the Paracel Islands, Cunningham writes, but the problem is that China’s claim to territory in the South China Sea has no basis in international law.
Much of the US oil boom story has been about the inland shale basins in Texas and North Dakota, but the Gulf of Mexico is showing renewed promise as more platforms come online.
Once touted as the next oil superpower, Brazil's oil production has flattened out entirely, due in part to mismanagement and allegations of corruption.
Gas prices were up in April on the Ukraine crisis and refinery maintenance, but that should change as Memorial Day approaches, according to AAA. Gasoline production is projected to outpace demand, which will put downward pressure on gas prices.
Russia is in the midst of its longest streak of declines in oil and gas production in years, its economy is in shambles and its leverage on the international stage is in question. Its energy-dominated economy may not sustain Russia's ambitions in Eastern Europe for much longer, Graeber writes.
Western sanctions on Russia over Ukraine have so far avoided targeting Russia's state-owned natural gas company Gazprom. That's largely because Europe relies heavily on Russian natural gas imports and would suffer economically if sanctions are ratcheted up in the Ukraine crisis.
The Ukraine crisis has spurred new interest in Europe finding alternatives to Russian natural gas imports. Spain is not exactly an energy powerhouse, but it could serve as a conduit to the rest of Europe for supplies of non-Russian natural gas.