Chevron is launching a partnership to develop natural gas-fired power plants next to data centers, a move that will allow it to tap into surging demand for electricity for AI.

Noble Corp., the world’s biggest offshore oil rig contractor by market value, agreed to buy its smaller rival Diamond Offshore Drilling Inc. in a deal valued at $1.6 billion.

Hess Corp. signaled its $53 billion agreement to be bought by Chevron Corp. may be delayed after ExxonMobil filed for arbitration to preserve its rights to a massive oil discovery off Guyana.

Tesla Inc. is planning to expand a battery-research facility in the San Francisco Bay Area.

A federal judge struck down the city of Oakland, Calif.’s ban prohibiting companies from transporting coal through an export terminal that U.S. miners see as a key link to overseas markets.

Dozens of U.S. cities are willing to buy $10 billion of electric cars and trucks to show skeptical automakers there’s demand for low-emission vehicles, just as President Trump seeks to review pollution standards the industry opposes.