The driver plays a critical role in the efficient operation of a commercial vehicle and can have a direct impact on fuel economy. Technologies are available to notify the driver of behaviors affecting fuel economy such as speed, idle time, fast accelerations, hard braking, improper cornering, and other factors.
Some systems will notify the driver if a collision is imminent
In-cab behavior notifications can be used to improve driver training
Drivers may not like the "big brother" aspect of some systems