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Breath of fresh air NASCAR approves carbon monoxide filterPosted: Friday May 23, 2003 3:16 PMUpdated: Friday May 23, 2003 3:17 PM CONCORD, N.C. (AP) -- NASCAR has finished its research on its carbon monoxide filter and on Friday approved it for use in the Coca-Cola 600. The device will be optional in Sunday's race, the longest event of the year. NASCAR's research has shown that it can reduce carbon monoxide in the air the driver breathes by as much as 75 percent. "During the study, the experts concluded that the levels of carbon monoxide were not at an alarming level," said Gary Nelson, NASCAR's managing director of research and development. "But we wanted to ensure our drivers the best possible environment to compete in." The catalyst has been one of the top projects at NASCAR's research and development center. It costs around $400 to build and can be installed in a car in about two hours. NASCAR has identified one manufacturer for the catalyst and is looking at other designs to be used in the driver's ventilation system. Winston Cup champion Tony Stewart used one of the devices last month at Martinsville, Va., and other teams tried them at California and Richmond. The catalyst sits on the car floor next to the driver and sends clean air to the driver's helmet. It's the same theory as catalytic converters used in street cars to diminish pollutants in the exhaust, "but this is a low-temperature catalyst," Nelson said. NASCAR has been working since last fall on systems to filter the air a driver breathes during a race, a project that drew increased focus after Rick Mast announced in January he was retiring because years of exposure to toxic fumes had given him acute and chronic carbon monoxide poisoning. The effects of carbon monoxide are cumulative, building in a driver's body each time he or she is exposed to it. Since last year, some drivers have been undergoing heavy oxygen treatments after races to decrease the effects of breathing carbon monoxide. "We helped educate teams on preparing a vehicle in a fashion that would minimize any type of leaks involving carbon monoxide," Nelson said. "Finally, we had to locate the right component that effectively lowers the percentage of carbon monoxide that may enter the vehicle." NASCAR is also close to approving a design on an escape hatch that could be installed in the roof of the cars to give drivers another exit route. They are ideal for larger drivers who struggle to squeeze through the window, and can also aid emergency crews in getting drivers out after accidents. |
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