The California Challenge joins three energy efficient racing events
The format of the California Challenge provides a same track same day comparison of the energy performance of a different types of energy efficient racers.
The California Challenge is an energy efficiency time trial. The goal is to achieve the maximum average speed using $1 of energy. The course includes a high speed section, an auto-cross section, and a staged idle section. Maximum distance in one-hour wins using $1 of any combination of energy sources wins. This event is presented as part of the Department of Energy Solar Decathlon in association with the Energy Expo.