Technical analysisThe tech changes that should improve the Indy 500 By Tom Errington and Jake Boxall-Legge Last year's Indianapolis 500 was not the spectacle the series hoped for. A series of "subtle" changes have been made for 2019 aimed at increasing overtaking without compromising safety 1558828800 IndyCar

Marcus SimmonsSato turns teacher to find Japan's next F1 heroes Takuma Sato goes into this weekend's Indianapolis 500 - a race he won in 2017 - very much in contention and fifth in the IndyCar points. But alongside his own racing, he's already begun his next career: as a 'teacher' to future Japanese Formula 1 stars 1558828800 F1

PreviewIndy 500 2019: The team by team guide By David Malsher Forget the lack of Fernando Alonso and McLaren now, focus on the quality and openness of the 33-car field that did make it onto the Indianapolis 500 grid. All the ingredients for an outstanding race are there again 1558742400 IndyCar

F1 RacingFrom fleeing communist Romania to running an F1 team From a small village in Romania, Otmar Szafnauer's family fled the communist dictatorship to begin a new life in Detroit in the 1970s. Working in the car industry led to Szafnauer meeting Adrian Reynard, who in 1999 offered him a job at his new BAR team. Ten years later, that experience made him the perfect candidate to run the day-to-day operations of Force India, which has now become Racing Point. Over lunch in Oxford, JAMES ROBERTS hears the extraordinary life story of the man whose love of classic American cars prompted him to convince his father to flee to the United States... 1558742400 F1

Adam CooperHow Lauda shaped the dominant Mercedes machine While many of the measures that gave Mercedes a headstart in 2014 were in place when Niki Lauda arrived, the knowledge he gained, then imparted, over more than four decades in F1 helped transform the team into the dominant force it is today 1558656000 F1

Giorgio PiolaPiola selects his favourite F1 designs of all time This weekend's Monaco Grand Prix marks Giorgio Piola's 50th anniversary in the Formula 1 paddock, so we asked him to picks his 'greatest cars'. Here's his selection of revolutionary designs and personal favourites from 1969-2019 1558656000 F1

Alex KalinauckasWhy even Porsche cannot be certain of FE success Porsche's last major motorsport programme was a crushing success - three straight Le Mans 24 Hours wins and World Endurance Championship title doubles. But its new mission in Formula E will be harder 1558656000 FE

Technical analysisPiola on the 2019 Monaco tech specials By Giorgio Piola and Jake Boxall-Legge Monaco is always the scene of innovative technical adjustments from Formula 1 teams as it is such a different circuit to anything else they encounter all year. Here's the best of the 2019 additions so far 1558569600 F1