Teamsters members working at Marathon Petroleum's Detroit refinery have voted to ratify a seven-year collective bargaining agreement, the company and the union said on Sunday, three months after ...

Union members at Marathon Petroleum's Detroit Refinery are on strike after ... Blast deliver stories from northwest Ohio, southeast Michigan and beyond to keep you informed.

(Reuters) -U.S. refiner Marathon Petroleum posted a sharp decline in fourth-quarter earnings on Tuesday but still beat Wall Street estimates, as strength in its midstream segment helped offset a ...