A solar challenge
Last month, Australia hosted the World Solar Challenge, a solar-powered car race held every two years. The race litterally crosses the country, from Darwin to Adelaide, which covers roughly 3000 km! The competition attracts teams from around the world; students from over 30 countries who have engineered and built their own eco-friendly vehicle. This year, the challenge was won by a Dutch team for the third time.
to host to be the chosen location for / solar-powered fuelled by solar energy / roughly approximately, around / to engineer to design, create / eco-friendly respecting the environment, ecological.