What can happen if a driver operates a commercial vehicle without a valid logbook?

Answer: B — They face fines and penalties

Operating a commercial vehicle without a valid logbook can lead to fines and penalties. Logbooks are essential for recording a driver's hours of service, which ensures that they are complying with regulations regarding maximum driving times and mandatory rest periods. This is vital for safety, as it helps prevent driver fatigue, which can lead to accidents. When law enforcement or safety inspectors find that a driver lacks a valid logbook, they may impose monetary fines and other penalties as a consequence of violating these regulations. This enforcement action underscores the importance of maintaining accurate records not only for legal compliance but also for the safety of the driver and the public. Consequently, failing to keep a valid logbook can have serious implications, making it crucial for commercial drivers to adhere to all logging requirements.