In an ongoing effort to apply further control to its WeatherTech SportsCar Championship series, IMSA has released a new series of restrictions that will govern what can and cannot be said between its teams and drivers over the radio.Initially revealed last week, and subject to a revision that removed the...

Above: Dew Tour BMX Vert champion Jamie Bestwick at the Cal Club Region SCCA Pacific Coast Road Racing ChampionshipsFor years, the editors of RACER.com have seen pros and amateurs alike using radio communications between the crew chief and driver, but at the same time we had little firsthand experience using...

The FIA is poised to open up radio communications to allow strategy calls to be made between Formula 1 teams and their drivers.The expected decision will come into force with immediate effect for Sunday's Australian Grand Prix and follows complaints the new rules introduced for this season were too draconian....

Jenson Button says the recent tendency among some Formula 1 teams to use radio to coach their drivers during track sessions has annoyed him.The FIA implemented a partial ban on radio communications during the recent Singapore Grand Prix, in attempt to enforce a rule that says drivers should drive their...