A little more on solar, cars and the importance of innovation in Australia. The World Solar Challenge is a 3000km race from Darwin to Adelaide. It's held every two years and the focus is energy management. Competitors have to make their vehicles as efficient as possible. The 2015 race will take place from October 18-25th.
The 2013 winner was a competitor from the Netherlands, The Nuon Solar Team, finishing with a time of 33.05 hours, with an average speed of 90.71km/h. Click here to see them win. Compare this to the 1987 winners (Sunraycer from General Motors) whose average speed was 69.9km/h, and it's clear how far solar power has come.