Revealed: What F1 teams really spent in 2017 Our annual study of Formula 1 budgets looks at the ups and downs of Liberty Media's first year in charge 1514419200 F1

Why F1 is sitting on a timebomb of contradictions Formula 1 faces a series of 'Who?', 'What?', 'Where?', 'When?', 'Why?' and 'How?' questions as it bids to achieve ambitious goals in 2018 and beyond 1513123200 F1

How teams lost patience with F1's new era The 2017 season brought seismic change to Formula 1 - goodbye Bernie Ecclestone, hello Liberty Media. But after a bright start, the new chiefs were in for a few shocks from F1's teams and fans 1512518400 F1

The change F1 must make to bring back classic races A bit of social media fun revealed the thirst Formula 1 fans have for older circuits that have fallen off the calendar. There's no shortage of options, and they have varying degrees of likelihood - but will F1 listen? 1511308800 F1

Robot pitcrews and hydrogen – is DTM's concept plausible? DTM organiser ITR has mooted a radical plan for a "truly new and inspiring" future motorsport series. How realistic are its suggestions of automated pitstops and 1000bhp hydrogen-fuelled touring cars? 1573430400 DTM

Marquez's secret weapon for taming the Honda Marc Marquez is carrying Honda to 2019 MotoGP dominance single-handedly with a bike no one else seems able to master. And that might be down to how he uses motocross to hone his style 1573430400 MotoGP

The enduring legacy of a motorsport engineering giant An engineering genius and skilled entrepreneur with a gift for instilling confidence in drivers, the late Robin Herd was a man of many talents. Half a century on from the birth of March, he is remembered by those who worked with him and knew him best 1573430400 Engineering

How Toyota was deposed by Rebellion and the rules The World Endurance Championship's much-debated success handicap rules achieved their expected outcome for the first time in China, with Toyota defeated in a 'straight' fight. Our in-depth race analysis explains how it unfolded 1573430400 WEC