The refinery is the nation's seventh-largest. It is tied into a vast pipeline network and has access to the Gulf.

Citgo Petroleum has agreed to pay a fine to end more more than 200 alleged air emissions and other violations reported at its ...

In the big crude oil leak, Citgo crews began emptying Tank 41 on Sept. 27, 2018, after they spotted its floating roof listing to one side. On the morning of Sept. 28, 2018, however, the floating ...

API 653 is a critical standard in the oil and gas industry, making it essential for professionals working in the petroleum sector to stay updated with its latest edition. Understanding the revisions ...