January 2004
World Almanac for Kids;2004, p64
The article offers facts about solar cars. Solar cars do not have gas tanks. Instead, they have panels of solar cells--small wafer-like units that change light into electrical energy. They will not replace gas-powered cars anytime soon, but designing and testing them is a good way to develop the technology for this renewable resource. Engineers test their latest designs by racing them. There are two major competitions: The World Solar Challenge in Australia and the 2,300-mile American Solar Challenge. Held every other year, these solar "rayces" will heat up again in 2003.


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