The mission of the Buses of Yellowstone Preservation Trust, Inc. is to:
• Historically preserve and/or restore to original operating conditions a collection of all makes and models of motorized vehicles used by the National Parks prior to World War II.
• Preserve historical materials related to the presence and operation of these vehicles.
• Provide expertise and knowledge to other owners, museums, and interested parties.
• Share with others the importance and experience of these vehicles in the National Parks.