Federal investigators say Greg Biffle was not flying the jet that crashed and killed him and six others. The NTSB found multiple instrument failures shortly after takeoff, forcing the crew to try to return to the airport.

Kevin Harvick and Greg Biffle’s relationship was not something that clicked from the very start. Instead, it evolved through feuds, on-track rivalries, fights, mutual respect, and realism.

The family of the late Greg Biffle announced the formation of the Biffle Family Legacy Impact Fund on January 29 in the wake of the NASCAR star’s tragic death last month. Biffle, along with his wife,