Autosport EngineeringWhy Porsche’s black sheep was doomed to fail By James Newbold Green shoots of potential were visible when Porsche raced in Indycars 30 years ago. But politics and technical complexity proved its undoing 1537833600 Engineering

Kevin TurnerWhy Britain's forgotten star is ready for his big chance Alexander Sims's career momentum stuttered when he came up against a now Mercedes Formula 1 driver in Formula 3. Having established himself as a GT ace since, his Formula E drive with BMW is a reward his talent merits 1537833600 FE

F1 RacingHow F1 failed Alonso Few would dispute that Fernando Alonso is an all-time F1 great, yet he's also one of the most divisive characters ever to have raced. So as he prepares to turn his back on F1 (for now), should he be blamed for the failure to achieve the level of the success his talent surely merits? Or has he been let down? 1537833600 F1

Ask GaryDoes Leclerc deal mean Ferrari is losing faith in Vettel? By Gary Anderson Could the Ferrari scenario end up like Vettel's final year at Red Bull? Could one single personnel change make a team like Sauber a podium contender? What's the deal with Ferrari's camera device? Our technical expert answers these questions and more 1537747200 F1

Adam CooperWhy third cars are being touted as F1's salvation Formula 1's on-off flirtation with the idea of third cars is back on. One driver who is unlikely to be partnered with a 2019 seat highlights an issue that's stopping young talent breaking through - but fixing that will require fundamental change 1537747200 F1

F1 RacingThe F1 perfectionist who pushed too soon Formula 1's carbonfibre pioneer was a legendarily tough cookie, known as the 'Prince of Darkness' (at McLaren) and the 'Godalming Scud' (at Benetton). Has time mellowed the father of some of F1's most beautiful cars? Asks STUART CODLING 1537660800 F1

F1 RacingHow to make F1 strategies interesting The FIA has asked tyre companies to submit a tender application to supply Formula 1 rubber from the 2020 season, with 18" coming in 2021. PAT SYMONDS asks if alongside the new tyres, steps need to be brought in to make sure future race strategies are varied and interesting 1537574400 F1

David EvansHow a WRC rebel is becoming a title favourite Ott Tanak has gone from being repeatedly dropped and swearing at M-Sport to leading Toyota's World Rally Championship charge. It's already a remarkable story, and it could have a spectacular ending 1537488000 WRC