When F1 had two sets of engine rules, and why that wouldn't work today
In 1987 and 1988, F1 ran two engine formulas side by side as a managed exit from the turbo era, and the lesson it offers the present day is not the one the critics might hope for
Motor racing’s major milestones from this week on the Archive and Database, featuring Ferrari’s winner on debut and ABBA’s racing driver drummer.

1943: Jacques Laffite is born. In profile
1953: Felice Bonetto dies on the Carrera Panamericana. In profile
1887: Pietro Bordino, 1922 Italian Grand Prix victor, is born. In profile
1903: Le Mans runner-up Juan Jover is born. In profile
1913: Reims winner Christian Kautz is born. In profile
2011: Indy 500 winner Jim Rathmann dies aged 83. Career
2013: Sebastian Vettel matches Alberto Ascari’s record of nine wins in a row, with victory in Brazil. Report
1907: Le Mans winner and Hurricane developer John Hindmarsh is born. In profile
1946: ABBA drummer, F1 racer and champion of F3 and tin-tops, Slim Borgudd is born. In profile
1953: (British) Formula 1’s only female winner, Desire Wilson, is born. In profile
1980: Peter de Paolo, nephew and riding mechanic Ralph, dies aged 82. In profile

1957: Kenny Acheson is born. In profile
1995: Winner of F1 debut with Ferrari, Giancarlo Baghetti dies aged 60. In profile
In 1987 and 1988, F1 ran two engine formulas side by side as a managed exit from the turbo era, and the lesson it offers the present day is not the one the critics might hope for
Charles Leclerc has mastered F1's new regulations by rooting out the best deployment tricks, while Max Verstappen has been stripped of his advantage, writes Mark Hughes
Exceptional on four wheels as well as two, in his bravery, his selflessness, and his love of a good party. The only ordinary thing about Mike Hailwood was his tragic end, writes Matt Bishop
As Max Verstappen threatens to walk away from the sport, he would not be the first champion to leave before his time was up