page_title: American Solar Challenge
section_title: History
hierarchical_section_title: American Solar Challenge / History
caption_attribution_description: English: Sunrunner in Australia
context_page_description: The American Solar Challenge, previously known as the North American Solar Challenge and Sunrayce, is a solar car race across the United States. In the race, teams from colleges and universities throughout North America design, build, test, and race solar-powered vehicles in a long distance road rally-style event. ASC is a test of teamwork, engineering skill, and endurance that stretches across thousands of miles of public roads.
  ASC 2016 took place from July 30 – August 6, on a 1,975 mile route from Brecksville, Ohio to Hot Springs, South Dakota.
  ASC 2020 was postponed until 2021 due to the COVID‑19 pandemic.
context_section_description: Originally called Sunrayce USA, the first race was organized and sponsored by General Motors in 1990 in an effort to promote automotive engineering and solar energy among college students. At the time, GM had just won the inaugural World Solar Challenge in Australia in 1987; rather than continue actively racing, it instead opted to sponsor collegiate events.
  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 name changed again to North American Solar Challenge, in order to reflect the border crossing into Canada and the addition of co-sponsor Natural Resources Canada. The name was changed back to ASC in 2010.
  After the 2005 race, the U.S. Department of Energy discontinued its sponsorship, resulting in no scheduled race for 2007. Sponsorship was taken over for NASC 2008 by Toyota. The American Solar Challenge is now governed by the Innovators Educational Foundation.
caption: University of Michigan's Sunrunner, winner of the inaugural Sunrayce USA in 1990.
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