This issue has prompted the US Government to release barrels from its emergency stockpile to support regional refineries.

CVX's offshore zinc contamination disrupted Mars crude flows, forcing DOE action and roiling Gulf Coast refiners.

We have identified a potential contributing source to the Mars crude composition changes, which is associated with the ...

Oil major Exxon Mobil told its trading counterparts that it will not buy the Mars crude oil grade until a zinc contamination ...

US supermajor ExxonMobil is not buying any crude from the Mars stream in the US Gulf until a zinc contamination issue is ...

The U.S. Department of Energy has authorized the release of 1 million barrels from the Strategic Petroleum Reserve to address ...

Chevron Corporation (NYSE:CVX) operates across Europe, Africa, Asia, Australia, South America, and North America, and has the capacity to refine 1.8 million barrels of oil per day at its ...

Two Chevron-chartered vessels, loaded with crude, remain stranded in Venezuelan waters as the cancellation disrupts plans for subsequent processing and U.S. refining operations.

The start-up of an offshore well caused zinc contamination in Mars crude, Chevron said on Friday, leading to the tightening ...

Exxon Mobil halts Mars crude oil purchases over zinc contamination. Learn how this issue impacts prices and production along ...