Chevron Corp. posted disappointing profits after slumping values for some long-held fields hurt the oil giant’s ability to take full advantage of surging energy prices.

An ambitious project aimed at capturing millions of tons of carbon emissions along the U.S. Gulf Coast in Texas garnered the support of some of the world’s biggest refiners and chemical manufacturers.

The world is facing high energy prices for the foreseeable future as oil and natural gas producers resist the urge to drill again, according to Chevron Corp.’s top executive.

Exxon Mobil Corp., Chevron Corp. and ConocoPhillips had their credit ratings lowered after S&P Global Ratings followed through on its recent warning and revised the industry’s risk profile due to climate change and weak earnings.

Exxon Mobil Corp. released emissions data on customers’ use of its petroleum products for the first time after coming under pressure from investors.

Exxon Mobil Corp. announced several new emissions targets and said it would begin publishing pollution information related to customers’ use of its products for the first time, just days after activist investors criticized the oil giant for its environmental record.

Exxon Mobil Corp. warned it may take up to $30 billion in writedowns on natural gas fields as crashing energy demand and prices spurred a historic losing streak.

America’s oil production will never again reach the record 13 million barrels a day set earlier this year, just before the pandemic devastated global demand, according to Occidental Petroleum Corp.

Chevron Corp. overtook Exxon Mobil Corp. as the largest oil company in America by market value, the first time the Texas-based giant has been dethroned since it began as Standard Oil more than a century ago.

Occidental Petroleum Corp. will have just a single oil rig in the Permian Basin in the second half of the year, illustrating the scale of the shale industry’s pullback and the company’s debt woes.