The Indy 500 engine they had to outlaw Undefeated and never to be repeated. The story of how Penske's Ilmor-Mercedes engine for the 1994 Indy 500 went from top-secret evening project to dominating the Brickyard to banned 1483315200 IndyCar

The top 10 IndyCar drivers of 2016 Simon Pagenaud and Team Penske dominated the 2016 IndyCar season, but they were not the only drivers to impress over the course of a tough campaign 1474934400 IndyCar

Why is IndyCar shelving its manufacturer war? Competing IndyCar manufacturers Honda and Chevrolet will revert to only being engine suppliers in 2018, and aero kit development has been halted for next season. Why has the series removed an area of competition that was only recently adopted? 1474416000 IndyCar

Can Montoya's renaissance continue? Juan Pablo Montoyta's decision to return to single-seaters at the age of 38 in 2014 nearly netted him another IndyCar title last year. With BRUCE MARTIN, he reflects on that near miss, and looks ahead 1457654400 IndyCar

Why refuelling wouldn't improve F1's racing FIA president Jean Todt and the GPDA have both recently suggested refuelling could be the answer to improving Formula 1's racing. But a detailed look at the previous refuelling era shows that its return would not be a magic bullet to fix the show 1563408000 F1

Why F1 must sacrifice its 'DNA' for the spectacle OPINION: Purists decree that Formula 1's 2021 tech rules overhaul needs to be careful not to go against the so-called 'DNA' of the series, but F1 should be wary of risking a brighter future for the sake of something that never really existed in the first place 1563408000 F1

Why Rossi is no longer Yamaha's MotoGP future Valentino Rossi has been a MotoGP star for a generation, but in 2019 he has made his worst ever start to a season. In this revealing interview, Yamaha team boss Lin Jarvis explains why the manufacturer is already looking to life without Rossi 1563321600 MotoGP

Mark Skaife: The art of gamesmanship The six-time Bathurst 1000 winner and Australian Supercars legend explains how he used every trick in the book to win 1563321600 Performance