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

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

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

The U.S. Department of Energy has authorized the exchange of as many as 1M barrels from the Strategic Petroleum Reserve to ...

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