Heading into the town of Katherine (300 km out of 3,000), the Dutch Nuon team briefly took over the lead in the World Solar Challenge Challenger Class, although Solar Team Twente was the first car into the Katherine checkpoint, according to the live tweets.
In the Cruiser Class, Solar Team Eindhoven have the lead, according to the WSC car tracker (they are also racking up bonus points by carrying passengers):
Scientific Gems 