NASCAR’s Steve O’Donnell says the new aerodynamic package has produced closer racing, like at Fontana, Calif., between Kevin Harvick (4), Denny Hamlin (11) and winner Jimmie Johnson (48). Jose Huerta AP
NASCAR’s Steve O’Donnell says the new aerodynamic package has produced closer racing, like at Fontana, Calif., between Kevin Harvick (4), Denny Hamlin (11) and winner Jimmie Johnson (48). Jose Huerta AP

Q&A with NASCAR racing chief Steve O’Donnell

March 24, 2016 7:12 PM