A family of four has since been arrested.
The airline said they have taken "strict action" against the captain despite keeping him on their payroll.
The rider was pronounced dead at the scene, with his motionless body slumped on top of another car.
ICA stepped up checks at Singapore's checkpoints to detect and deter attempts to smuggle vapes in.
The vape-related offence has been referred to the Health Sciences Authority.
Ang Mo Kio Street 31, the accident location, was the first completed pilot of LTA's "Friendly Streets" initiative.
They even had iced milo on the menu.
According to MND, NParks performs regular pruning of roadside shrubs every two to three months.
Both bloggers allegedly suffered a fever after the incident.
The violators were slapped with a S$150,000 fine.