Solar challenge
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'Solar challenge refers to races between solar powered vehicles, such as:
- World Solar Challenge, a bi-annual (uneven years) worldwide event in Australia, first held in 1987
- Dell-Winston School Solar Car Challenge, an annual event for students from the US and (to a lesser extent) other parts of the world, first held in 1995
- North American Solar Challenge, a bi-annual (uneven years) US event that includes Canada since 2005
- Victorian Model Solar Vehicle Challenge, an annual event in Australia for schoolchildren
- South African Solar Challenge, a bi-annual South African event that is to be held for the first time in 2008