All four died in the crash.
Prosecutors have now filed a single charge of misdemeanor vehicular manslaughter, which carries up to a year in prison.
The district attorney's office said there was no evidence of gross negligence in the crash.
Man gets misdemeanor in crash that killed 4
ONTARIO, Calif. George Pelonis of Norwalk was driving a big rig on Interstate 15 in Ontario on Feb. 13 when he crashed into a vehicle carrying /*Moreno Valley*/ football coach Ryan Villalpando, his wife and their two young children.
