Thursday's Formula 1 news roundup: Helmut Marko, Charles Leclerc, Valtteri Bottas

Sports Mole rounds up all of the latest news regarding Formula 1 on Thursday, August 22.

Thursday morning's headlines:

Carmakers propose F1 engine freeze F1 engine makers are proposing that development of the hybrid technology be frozen for performance and cost reasons. Read more.

McLaren needs new rules to beat top teams - Sainz Only a big change to the F1 rules for 2021 will make it possible for a team like McLaren to challenge the top three, according to Carlos Sainz. Read more.

Bottas 'answering calls' about F1 future Both Valtteri Bottas and Toto Wolff say the Finnish driver will be in Formula 1 next year. Read more.

Governor says F1 'will not leave Sao Paulo' Sao Paulo governor Joao Doria says Formula 1 is staying at Interlagos. Read more.

Gasly issues 'psychological' - Marko Dr Helmut Marko says "psychological problems" caused Pierre Gasly to lose his Red Bull seat. Read more.

Leclerc hails Hamilton's 'mental strength' Charles Leclerc has hailed five time world champion Lewis Hamilton's "consistency and mental strength". Read more.

Engine rivals 'have caught up' - Wolff Toto Wolff says Mercedes' F1 engine rivals have "caught up". Read more.

Wolff rules out Alonso for Mercedes Toto Wolff says Fernando Alonso will not return to Formula 1 with Mercedes. Read more.