AdvertisementA Push To Make Gasoline Engines More EfficientNovember 23, 2011Sonari GlintonfacebookEmailProfessor Anna Stefanopoulou (left) examines a V8 internal combustion engine with students Jacob Larimore and Xinfan Lin at the University of Michigan's Automotive Research Center. The researchers model engine performance to improve efficiency. (Courtesy Automotive Research Center)