U.S. oil producers are grappling with geological limits to production growth as the country's top oilfield ages and produces ...

“It’s really hard to make money at $50 oil,” said Sheffield, who co-founded Pioneer Natural Resources Co. and later sold it to Exxon Mobil Corp. for $63 billion.

Extra-virgin olive oil has the most scientific evidence for its health benefits. But avocado and high-oleic vegetable oils are also good for your health. Social media is rife with conflicting ...

Big Oil is pivoting back to fossil fuels after years of trying to transition to renewables. BP, Shell, and others are abandoning unprofitable wind and solar projects to refocus on oil and gas.

A group of oil-producing countries known as OPEC+ will proceed with a long-delayed hike in oil production. Eight countries that have repeatedly delayed production increases will now move forward ...

The Saudi-led cartel said its members would start gradually pumping more oil in April. By Rebecca F. Elliott Oil prices fell on Monday afternoon to their lowest level of the year after the OPEC ...

LONDON, March 3 (Reuters) - OPEC+ has decided to proceed with a planned April oil output increase, the group said on Monday, a move that follows U.S. President Donald Trump renewing pressure on ...