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

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

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