LANCASTER - Can you trust your car to the gasoline with the star? An unknown contaminant in the gasoline at the Texaco Starmart on Challenger Way and Avenue K caused at least 45 cars to break down in the past week, puzzling drivers and mechanics. Mike Aubrey, owner of Mike's Performance Automotive in Lancaster, first heard about the problem Sept. 29. A week later, he was dealing with the third car to break down after getting gasoline from the Starmart. "What we're having to do is take the manifold out and replace all the injectors," Aubrey said, taking a fuel...