Kevin TurnerA new slant on the greatest F1 era debate Autosport asked its magazine and online readers to vote for their favourite era in Formula 1 history, with each poll producing a different result. But applying a rating system employed to judge every race so far throws up a third winner 1580083200 F1

Autosport EngineeringDigging into the 'scramble for hybrid' By Autosport Staff Against the seemingly irresistible rise of electrification in mobility, why are series organisers turning to hybrid as the answer to the big sustainability question? We ask the coordinators of three major championships to explain 1579996800 Engineering

Free featureThe remarkable story of F1's most unlikely test driver By Jonathan Noble Roy Nissany was a surprise candidate for a Williams test role considering he'd been in the motorsport wilderness for a year, but his F1 story is nothing compared to that of his father Chanoch - who went from spectator to practice driver in just four years 1579910400 F1

Jonathan NobleWhat F1 should aim to learn from Zandvoort experiments Zandvoort recently revealed its intention to withhold circuit data from teams, in order to make this year's Dutch Grand Prix weekend more unpredictable. If that's a success, Formula 1 has a host of options to try to replicate that at more venues 1579824000 F1

David EvansHow the WRC's backstage army delivers its live coverage The World Rally Championship's All Live service is now entering its third season. But its debut on the Monte Carlo Rally two years ago still makes the series’ TV boss shudder 1579824000 WRC

F1 RacingThe secrets that show Mercedes F1 power is still king Ferrari may have caught up - in qualifying at least - but a Mercedes power unit remains the one to have if you want to win races and championships judging by the results of the 2019 Formula 1 season. STUART CODLING gets an exclusive look behind the scenes at Brixworth, the power behind Lewis Hamilton's thrones... 1579737600 F1

Daytona 24 Hours previewThe Daytona 24 Hours run that might be about to end By Gary Watkins Cadillac teams remain unbeaten in the Daytona 24 Hours since the IMSA SportsCar Championship's current era began, but they are likely to have their work cut out this weekend in the face of an opposition that is better prepared than ever 1579737600 IMSA

Autosport EngineeringHow a DTM giant has become a single-seater force By Marcus Simmons HWA has expanded massively over the past few seasons under the leadership of Uli Fritz. He explains how a DTM titan has become pervasive throughout motorsport 1579651200 Engineering