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The 20th World Solar Challenge took place in Australia in October. One of the more unusual fuel types in the Greenfleet Class of the Darwin to Adelaide race was used by a "Troupy," a lightly modified 1989 Toyota Landcruiser.

The World Solar Challenge in Australia this year featured a Greenfleet Technology division for high mileage alternative fuel vehicles. One of the top competitors was the Audi A3 TDIe powered by a 1.9L four cylinder diesel. The team of drivers covered the 3,543 km distance from Darwin to Adelaide Australia with an average mileage of 71.3 mpg (US) with peaks as high as 90.4 mpg. The special "e" series A3 is tuned for maximum efficiency and was introduced to Australia at the Sydney Motor Show. It g

When it comes to building solar-powered race cars, the team from Delft University in the Netherlands seems to have the process nailed. Their latest sun runner, the Nuna4, captured the World Solar Challenge in Australia for the fourth year in a row. This year's car is all new to conform to modified regulations that require a more upright seating position for the driver and twenty-five percent less solar panel area. They finished the last 760 km stretch of the 3,000 km race in just eight hours. Th

Solar-powered transportation owes a great deal to the participants of races and contests such as the World Solar Challenge in Australia. Starting in 1987, this biennial event covers a 3,000-kilometer route from tropical Darwin in the Northern Territory, to cosmopolitan Adelaide in South Australia. The challenge includes not only navigating the route, but involves a great deal of strategy as well, as teams must conserve energy while maintaining consistent speed. History shows that this can be a d