As with different historic autos, many preserved buses either in a working or static state kind part of the collections of transport museums. Working buses will typically be exhibited at rallies and events, and they are additionally used as constitution buses. While many preserved buses are fairly old and even classic, in some instances relatively new examples of a bus sort can enter restoration. This often occurs when a change in design or working apply, such as the swap to at least one particular person operation or low ground expertise, renders some buses redundant whereas nonetheless relatively new. Most public or personal buses and coaches, once they have reached the end of their service with a number of operators, are sent to the wrecking yard for breaking up for scrap and spare components.
- Gyrobuses, which are powered by the momentum stored by a flywheel, have been tried within the 1940s.