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Solar car blows up during gruelling race from Darwin to Adelaide

Alex Chance
Almost 100 solar-powered cars last week raced a gruelling 3,000km down the centre of Australia from Darwin to Adelaide for the biennial World Solar Challenge, including one entry that caught fire just before the finish line.

The two-class race sees competing tertiary and secondary school teams from around the world “push the limits of technological innovation” by engineering and driving “the most efficient electric vehicles,” according to organisers.

‘Each Challenge raises the bar higher by making the regulations more difficult. The best of these solar electric vehicles can cover distances of up to 1200 kilometres without charging from the grid – that’s superior to most electric vehicles on the market today, said Event Director Chris Selwood AM.

UNSW Sydney’s student-led team Sunswift was the first of three out of 13 attempts in the Cruiser Class to even arrive at the finish line, with the Dutch’s Solar Team Eindhoven winning the overall Cruiser Cup.

The Cruiser Class focuses on mainstream viability, with a panel of international adjudicators scoring each entry on energy efficiency, passenger kilometres travelled, and design criteria that includes interior comfort, features and marketability.

The other class, Challenger, focuses on visually stunning, single seat aerodynamic cars built for endurance and total energy efficiency.
Belgian team Agoria Solar Team arrived a day before Sunswift to win the more race-focused class, after the leading car by the Dutch Vattenfall Solar Team caught fire at Mambray Creek.

"I am standing next to a burning pile of carbon," driver Tim van Leeuwen reported. "It seemed we had the wind in our back: we were in the lead, driving 100 kilometres per hour, when I smelled something burning.

“It wasn't long before smoke filled up the cockpit, I immediately knew something was wrong."

The cause of the fire is still unknown.

Sunswift, which is in its 22nd year, last year broke the record for the lowest energy consumption in an electric car after driving Violet from Perth to Sydney in Violet for $50. 

The biennial World Solar Challenge will be held for the 16th time in 2021, and pre-nominations for institutions are already open.

As a backdrop to the Challenge, the University of Technology Sydney recently released research warning that under a 100% renewable energy scenario, demand for some metals used in solar panels, turbines and electric vehicles could surpass the earth’s reserves.

The Institute for Sustainable Futures called for more recycling and responsible sourcing to ensure that the “already significant environment and human impacts of mining” are not increased.
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