The twin-keel car that took Sauber to new heights

What the first look at 2021's F1 aero rules tells us As well as learning a new circuit to Formula 1, several teams used their Portuguese GP practice running to try out new aero concepts ahead of rule changes for next year - providing an interesting first insight into what 2021 F1 cars will look like 1603670400 F1

How the cold Nurburgring weather added heat to the third-place battle Severely limited practice and chilly conditions at the Eifel Grand Prix didn't stop the Formula 1 fight for third place from heating up, with Racing Point, McLaren and Renault all facing different quandaries 1602460800 F1

The high-tech materials helping Renault in its F1 rise The Renault F1 team is at the vanguard of innovative solutions pushing development of the V6 turbo hybrid engine rules, embracing the full potential of material science in its bid to get back to the top 1601337600 Engineering

The Sochi tech tweaks amid the midfield arms race The intensity of Formula 1's midfield battle shows no signs of abating, with each team in the fight developing their 2020 machinery to find an advantage. With Sochi proving a more familiar venue than Mugello, it was the perfect venue for a technical tussle 1601251200 F1

How binge-watching is helping Ocon prepare for F1's returning star After a year out of a race seat, the 2020 F1 season hasn't all been plain sailing for Renault's Esteban Ocon. But, with Daniel Ricciardo's departure, Ocon has the chance to become a team leader next year - even if his new team-mate will be Fernando Alonso 1603929600 F1

The wrong kind of bafflement and surprise in UK motorsport You can always rely on national motorsport to be unpredictable but some occurrences in recent weeks have been bewildering - and not in a good way, says STEPHEN LICKORISH 1603929600 F1

Why F1's Portugal leveller isn't a reliable silver bullet A track surface that was reluctant to yield grip left many drivers complaining in Portimao, but created mixed strategies and havoc at the start. Yet, while an enjoyable means of mixing the pack, F1 cannot always rely on it 1603929600 F1

The surprise weakness Hamilton revealed in his Portugal win Lewis Hamilton produced another excellent overall Formula 1 performance to defeat an in-form Valtteri Bottas in Portugal. But towards the end of race he had a difficult moment, which revealed a surprising weakness in his otherwise bulletproof game 1603843200 F1