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

WASHINGTON - The Department of Energy on Friday said it is providing ExxonMobil with up to 1 million barrels of crude oil ...

The U.S. Department of Energy announced Friday it has approved an exchange from the Strategic Petroleum Reserve, or SPR, with ...

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