Employees of ConocoPhillips face more layoffs after the oil company's merger with Marathon Oil, which triggered sweeping job ...

As refiners flee California, leading to higher prices at the pump, he asks his regulators to ease up.

WTI crude oil struggles due to tariff-related demand concerns, causing a sharp downturn in prices. OPEC+ adding more supply ...

In late February, the Department of Ecology began reviewing the qualifications of the pollution liability insurance obtained ...