News in depth
Red Bull has faith that it is building "momentum" for a better Formula 1 season in 2020, despite its progress since the summer break being clouded by an "oddball" performance at the Singapore Grand Prix.
British driver Jordan King will join Ginetta's LMP1 squad for the next round of the FIA World Endurance Championship in Shanghai.
McLaren will continue to bring updates to its car for the next few races, even though its current performance has left it in a "happy place".
Supercars has confirmed that the Australian Superbike Championship will feature on the undercard for next year's Perth SuperNight.
The ban on junior drag racing in Western Australia has been lifted, almost two years after the tragic death of eight-year-old Anita Board.
Red Bull team boss Christian Horner says Max Verstappen does not share the same frustrations about the current performance of the outfit as his father Jos.
Formula E drivers got "carried away" and took last week's 'races' during Valencia pre-season testing "too seriously", admits Mitch Evans.
Ducati MotoGP rider Andrea Dovizioso has expressed his concern over his bike's lack of performance when the tyres offer peak grip, despite an impressive podium in Motegi.
Valentino Rossi "has perhaps hung around a little bit too long" in MotoGP according to his former crew chief Jeremy Burgess.
Antonio Giovinazzi says fighting for his Formula 1 future is the same experience as his entire career, as is being considered "shit" one race and a "hero" the next.
Citroen will not use the radical World Rally Championship aero upgrades it recently tested on this week's Rally of Spain.
Leon Camier has secured a deal to remain on the World Superbike grid in 2020, teaming up with Ducati privateer outfit Barni.
Lewis Hamilton says Mercedes has "no hope" of challenging Ferrari on Mexico's straights this weekend, as he has his first opportunity to wrap up his sixth Formula 1 world championship.