ANACORTES -- An explosion and fire at the Tesoro Refinery shook homes and shot flames into the night sky early Friday, killing four people and critically injuring three others. The refinery's human ...

Along with a report by the U.S. Chemical Safety Board on the 2010 fatal explosion at Tesoro Corp.’s Anacortes, Wash., refinery, this animation detailing how the explosion unfolded was also released.

ANACORTES — A draft report by the U.S. Chemical Safety Board investigating the deadly 2010 Tesoro refinery explosion found serious flaws in safety culture at the facility, with industry standards, and ...

HOUSTON, Oct 22 (Reuters) - Tesoro Corp filed an appeal on Friday of 44 violations and $2.4 million in fines levied against the company for the deadly April explosion at its refinery in Anacortes, ...

ANACORTES, Wash. (AP) - Tesoro Corp. says it has completed the restart of its Anacortes, Washington, refinery where seven workers were killed in an April explosion. Company spokesman Mike Marcy tells ...