U.S. stocks closed mixed on Monday ahead of the Federal Reserve's monetary policy announcement later this week.
China's state-run oil firm has bought 18 million barrels of crude oil so far this month, traders say.
The International Energy Agency cut its oil demand growth forecast for 2015.
Weaker-than-expected consumption in Europe and China, coupled with a global supply glut, is depressing crude oil prices.
Sanctions and low oil prices threaten to bring the already slow Russian economy to a point of stagnation.
The Norwegian oil giant said it would postpone its Corner project in Alberta, Canada, for at least three years.
As countries adopt strategies to reduce greenhouse gas emissions, demand for the dirtiest fossil fuels could drop, Capital Economics says.
Brent crude oil slumped to a more than two-year low under $97 per barrel.
Paris-based International Energy Agency called the recent oil demand slowdown "nothing short of remarkable."
Major gas finds in Mozambique and Tanzania in particular could spur an East African boom, if countries can overcome production challenges.
Oil companies are increasingly leaning on railroads to ship crude as pipeline capacity fails to keep up with demand.
Infighting between Islamist militias, which control parts of Libya, has raised fears of the violence spilling into neighboring countries.
ISIS, which took advantage of Western technology to spread the James Foley video, appears to have drone capabilities.
Calgary pipeline company Enbridge has at least two projects underway to boost tar sands oil shipments.
The price of crude oil is still trading under $100 per barrel despite the US bombing of Iraq.
Mexico oil reform is one step closer after President Enrique Peña Nieto got Mexico Congress' energy bill passed, ending the Pemex monopoly.
The United Kalavrvta tanker, carrying some 1 million barrels of crude worth about $100 million, arrived off the coast of Texas on Saturday but has yet to unload its disputed cargo.
Norfolk Southern's lawsuit is believed to be the first time a rail company has gone to court to keep information about its routes confidential.
But all that extra gasoline and diesel won't lower the price you pay because much of it is being sold overseas.
The South Portland City Council is expected to approve a ban on exports of Canadian tar sands crude.
The Libyan economy is in trouble, given recent violence and with oil revenue in the control of militias.
A Russian recession could result should the West adopt sectoral sanctions over Ukraine, but it would not be “dramatic,” Alexei Ulyukayev says.