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| | Auto racing - Wikipedia, the free encyclopedia |
 | | The best-known variety of single-seater racing, except in North America, is the Formula One World Championship, which involves an annual championship of around 18 races a year featuring major international car and engine manufacturers such as Ferrari, Mercedes-Benz (McLaren), BMW (Sauber), Toyota, Honda, and Renault in an ongoing battle of technology and driver skill. |
 | | Studs on motorcycles for ice racing are very sharp and may be as long as 75[mm] (2.5 inches) with as many as 500 studs per tire in ice speedway. |
 | | Stock car racing, the North American equivalent to touring car racing, is the most-popular form of auto racing (in terms of viewership) on that continent. |
| en.wikipedia.org /wiki/Auto_racing (2687 words) |
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