Tesoro brings Martinez refinery back on-line, adjusts production figures

San Antonio-based refining company Tesoro Corp. has reopened its refinery in Martinez, California, following the end of a weeks-long labor strike prompting new production estimates for the first quarter of 2015.

Members of the United Steelworkers Union walked off the job at the refinery on Feb. 1 and spent weeks on strike before voting to accept a new labor contract on March 24.

The Martinez refinery was in the final stages of major turnaround maintenance activity when the strike happened prompting…