Only four teams will take part in next week's Pirelli tyre test in Bahrain after McLaren and Force India withdrew on Wednesday.
German bank BayernLB plans to bring a $400 million damages claim against Formula One boss Bernie Ecclestone.
Citroen has confirmed Kris Meeke and Mads Ostberg will lead its 2014 World Rally Championship assault.
Caterham boss Cyril Abiteboul says F1 drivers who refuse outright to help bring in sponsorship are "almost irresponsible."
Reigning British Supersport champion Stuart Easton has completed his first test back on a Superbike.
Yamaha boss thinks that the fact all the top riders will all be out of contract at the end of 2014 will intensify the racing.
Pint-sized racer Asher Durham has joined former champion Steve Patrickson's SP125 Motostar squad.
The court case between Antony Hamilton and Paul di Resta has descended into further acrimony over the former's evidence.
British Historic Racing has unveiled its 2014 calendar with six dates on the schedule. The series, which is run by the VMCC, has more than 20 Championships and
Next year's Triumph Triple Challenge race series will form part of the Donington World Superbike support class structure when the championship rolls in for its
Irish road race promoters have succeeded in their bid to get road closure regulations changed to bring in more flexibility to schedules affected by bad weather.
Formula One will award double points for the last race of the season in an attempt to keep championships undecided.
Sebastian Vettel has branded a rule change to award double points at the final race of the Formula One season as "absurd."
Hyundai has confirmed that Dani Sordo and Chris Atkinson will form part of its attack in 2014.
WTCC star Fredy Barth is to help raise money for charity in an unusual way.
Red Bull's four-times World Champion Sebastian Vettel is due to become a father in 2014.