The Dong Solar Challenge has kicked off again! The international World Cup for Solar Powerd Boats has started in the North of Holland for the fourth time already. The Dong Solar Challenge started in 2004 as the Nuon..
The Dong Solar Challenge has kicked off again! The international World Cup for Solar Powerd Boats has started in the North of Holland for the fourth time already. The Dong Solar Challenge started in 2004 as the Nuon..