Bob Winger, Wayne Gerdes, Philip Robertson

Wayne Gerdes, left, Bob Winger and Guinness World Records adjudicator Philip Robertson, right, pose for a photo following the Guinness World Record certificate presentation on Monday, June 24, 2013 at Volkswagen Group of America headquarters in Herndon, Va. Volkswagen’s Passat TDI challenged and broke the existing Guinness World Record® achievement for the “lowest fuel consumption-48 U.S. states for a non-hybrid car.” The two drivers averaged 77.99 mpg while piloting a 2013 Passat TDI® Clean Diesel on an 8122-mile, 48 contiguous state drive leaving from and returning to Volkswagen’s Herndon, Va. headquarters. (Kevin Wolf / AP Images for Volkswagen of America)