Sports Mole rounds up all of the latest news regarding Formula 1 on Friday, July 26.

Friday morning's headlines:

F1 still discussing refuelling return - Steiner
F1 is still discussing the potential return of refuelling for 2020. Read more.

Russell 'fully focused' on Williams
George Russell says he can now see "light at the end of the tunnel" at Williams. Read more.

Ferrari could veto 2021 budget cap - rumour
Claire Williams is not commenting on rumours that Ferrari may "veto" the 2021 budget cap. Read more.

Drivers present 'four point plan' to improve F1
F1 drivers on Tuesday presented the FIA and Liberty with a 'four point plan' to improve the sport. Read more.

Gasly now using Verstappen's car setup
The secret of Pierre Gasly's sudden form boost may now have emerged. Read more.

Title sponsorship could change after summer - Steiner
Gunther Steiner says Haas' title sponsorship situation could change after the summer break. Read more.

Hamilton still worried about cooling
Lewis Hamilton remains worried about the cooling systems aboard his otherwise dominant 2019 Mercedes. Read more.

'No panic' about 2020 Mercedes deal - Bottas
Valtteri Bottas has dropped a strong hint about his future at Mercedes. Read more.

'First goal' to stay at Haas - Grosjean
Romain Grosjean has admitted his place at Haas for 2020 may not be secure. Read more.

Renault to be first to test 18 inch tyres
Renault will be the first F1 team to test Pirelli's 18 inch tyres for 2021. Read more.

Quitting F1 'not an option' - Vettel
Sebastian Vettel says quitting Formula 1 is "not an option". Read more.

German Grand Prix: Five key talking points
Lewis Hamilton will arrive at the 11th round of the campaign with a 39-point championship lead. Read more.

Mercedes 'big favourite' for German GP - Vettel
Sebastian Vettel says Mercedes is the "big favourite" to win at Hockenheim this weekend. Read more.