Sebastian Vettel celebrates victory on the 2017 Brazilian Grand Prix podium.

Sebastian Vettel and Ferrari put together their first flawless weekend in months to win in Brazil.

Daniel Ricciardo on track at the 2017 Brazilian Grand Prix.

The Brazilian Grand Prix is simply too dangerous to hold its place on the Formula One calendar.

Valtteri Bottas on track at the 2017 Brazilian Grand Prix

Valtteri Bottas capitalised on Lewis Hamilton crashing out of qualifying to seize pole position.

Force India drivers Sergio Perez and Esteban Ocon on track at the 2017 Mexican Grand Prix.

Points and pride are still on the line in Brazil, and preparation for 2018 is already underway.

Ferrari CEO Sergio Marchionne.

Ferrari president Sergio Marchionne has threatened to take his team out of F1 if the FIA presses ahead with proposed engine changes.

Ferrari CEO Sergio Marchionne addresses the media.

Proposed engine regulation changes are only part of F1’s post-2020 vision.

Lewis Hamilton does celebratory doughnuts at the 2017 Mexican Grand Prix.

Lewis Hamilton has won his fourth world championship after a tense Mexican Grand Prix.

Lewis Hamilton celebrates his fourth world championship at the end of the Mexican Grand Prix.

Hamilton’s title win is down in equal parts to the Briton stepping up and Vettel slipping up.

Lewis Hamilton celebrates at the 2017 Mexican Grand Prix.

Lewis Hamilton is a four-time world champion after finishing ninth at the Mexican Grand Prix.

Sebastian Vettel on track at the 2017 Mexican Grand Prix.

A last-gasp lap had Vettel pip Verstappen for pole after the chequered flag.