A public transport company in a city called Galactic City, needs to replace its aging city buses with new ones. It asks three bus vendors what they have to offer and if they can do a live test to see if their claims about performance and efficiency holds up.
The transport company uses the city buses to move people between different locations in the city. The average trip distance is about 2 km. The vendors all prepare their buses for the test. The buses are the latest and greatest, with the most efficient and powerful engines and state of the art technology.