The Mayor of London has issued a "Very High" air pollution alert for people living in the U.K. capital.
Oil prices were steady as news of lower production by OPEC and other key exporters was balanced by reports of drilling and output in the US.
Oil and gas mergers, acquisitions and IPOs surged in the second half as crude prices stabilized, PwC reports.
A Delaware court revived an investor lawsuit against Energy Transfer Partners over its $11 billion acquisition of Regency Energy Partners.
Halliburton on Monday warned of weakness in markets outside of North America, echoing comments made by larger rival Schlumberger last week.
CNBC's Hadley Gamble reports highlights from the meeting of energy ministers in Vienna.
Russia's Energy Minister has welcomed President Donald Trump's decision to unveil a new energy plan for America.
CNBC's data partner Kensho looks back at the best performing sectors in the first 100 days following a presidential inauguration.
Russia's minister of energy, Alexander Novak weighs in on the country’s sanctions, and how they aren’t beneficial to either those who impose or receive them.
It will be hard for oil prices to remain above $60, says Azlin Ahmad, editor at Argus Media.
References to climate change were removed from the White House website immediately after Donald Trump took office.
Oil prices fell a strong recovery in U.S. drilling activity outweighed news that producers were on track to meet output reduction goals.
Reporting from Vienna, CNBC’s Hadley Gamble talks about the OPEC and non-OPEC’s interest in cutting oil output, with added comment from Saudi Arabia’s energy minister.
The oil market looks set to rebalance earlier than expected as OPEC members cut production, according to a report from UBS.
Late on Sunday, the firm announced a state of emergency because of the leak.
Russia's minister of energy Alexander Novak talks about Russia’s oil and gas relationship with the rest of Europe.
The inauguration isn't just a big day for Donald Trump. Vladimir Putin probably thinks it's a big day, too.
Reporting from Vienna, CNBC’s Hadley Gamble talks about how OPEC and non-OPEC ministers are remaining upbeat on the oil output deal so far.
Russia's minister of energy Alexander Novak talks about compliance around the OPEC and non-OPEC deal when it comes to cutting output.
Russia's minister of energy, Alexander Novak, says the country is watching U.S. - and Donald Trump's - energy plans very closely.
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