American Solar Challenge

American Solar Challenge is a solar car race across North America. Originally called Sunrayce USA, the first race was organized and sponsored by General Motors in 1990. Subsequent races were held in 1993, 1995, 1997 and 1999 under the name Sunrayce [year] (e.g. Sunrayce 93). In 2001, the race was renamed American Solar Challenge and was sponsored by the United States Department of Energy and the National Renewable Energy Laboratory. Beginning in 2005, its named changed again to reflect the border crossing into Canada and is now called North American Solar Challenge, with the addition of co-sponsor Natural Resources Canada. Since 1995, the Race Director has been Dan Eberle.
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