Larson's speed 'embarrassing' at Talladega Kyle Larson says his pace in the NASCAR Cup series weekend at Talladega was "embarrassing at times", calling on Chip Ganassi Racing to invest more in its restrictor-plate package 1539620430 NASCAR

Renault: F1 could lose a manufacturer over costs Formula 1 risks losing one of its current manufacturers if the escalating costs of engine development are not cut in the near future, fears Renault. 1539609089 F1

Rea could do better than Crutchlow in MotoGP Four-time World Superbike champion Jonathan Rea says he can "do better" than Cal Crutchlow in MotoGP if offered the chance, but is not "jealous" of his fellow Briton 1539616785 MotoGP

Alonso: Toyota no faster than WEC rivals Fernando Alonso believes that Toyota is no faster than its World Endurance Championshp rivals, stressing that its advantage is mainly down to its "perfect" race execution. 1539615121 WEC

Tech secrets of Sauber's 2018 surge Sauber's development rate in the 2018 Formula 1 season has transformed the team from a backmarker into a midfield challenger 1539611896 F1

Busch slams officials after overtime call Stewart-Haas Racing's Kurt Busch has expressed his frustration at the NASCAR officials for "two missed calls" in overtime during the Cup series playoff race at Talladega. 1539618177 NASCAR