Sunraycer, General Motors' entry for the Pentax Solar Car Race, the first international solar-powered car race, which began in Darwin, Northern Territories on November 1st, 1987 and finished in Adelaide, South Australia. Sunraycer was the eventual winner, taking 5 1/2 days to complete the 1,950 miles, traveling at an average speed of 41.6 miles per hour. Strict rules were applied throughout the race. Entrants were permitted two 2-hour battery-charging sessions per day, performed immediately before & after each daily stage of the race. 1987, south of Coober Pedy.