The Cash Flow Machine — Marathon Petroleum's Three-Engine Business Model

Marathon Petroleum is the largest petroleum refiner in the United States, but most candidates walk into the interview thinking of it as just "a refining company" and miss the integrated three-engine model that actually drives the business. This module breaks down how Refining & Marketing, Midstream (MPLX), and the renewable fuels arm fit together — and why understanding this integration is the foundation of every credible "Why Marathon?" answer.