By cutting energy waste and doing our part to protect the environment, five Marathon Petroleum refineries and a company office building have earned U.S. Environmental Protection Agency (EPA) ENERGY STAR certifications. This means their energy efficiency is verified in the top 25% of similar facilities nationwide. Learn more at energystar.gov. 📰 FULL STORY > https://www.marathonpetroleum.com/Newsroom/Company-News/EPA-honors-five-Marathon-Petroleum-refineries-for-superior-energy-efficiency/ #ener