Jimmie Johnson leads NASCAR's historic breakthrough at Le Mans, shaking European racing and redefining stock car capabilities ...

NASCAR fans have grown accustomed to seeing speed, throttle and braking on broadcasts for years. There has been one measurement, though, that has eluded networks and viewers for years.

Sigma Corporation of America, the US subsidiary of Sigma Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi ...