Bus operators will often find it economical to convert retired buses to use as permanent training buses for driver training, rather than taking a regular service bus out of use. Some large operators also converted retired buses into tow bus vehicles, to act as tow trucks.
Explain to an 8 year old child that is not yet 49 tall that the safety equipment built into the vehicle is for adults  not children, and a child needs to continue to use the proper equipment (booster seat) so that the adult equipment will fit, and be able to protect, their bodies in the event of a crash.
Boosters Are For Big Kids. Most kids need to ride in a booster seat from about age 4 until age 10-12. If your child isnât using a booster, try the simple test below the next time you. ride together in the car. You may find that your child is not yet ready to use a. safety belt without a booster. The 5-Step Test.