Why joker laps are entering the mainstream This season the World Touring Car Championship looks certain to bring joker laps to a circuit-racing world championship for the first time. And it need not be the daft gimmick people may think 1491436800 WTCR

The making of the world's best tin-top driver He has been overshadowed at Citroen for the last three seasons, but the retirement of Yvan Muller means the world says farewell to one of touring-car racing's finest talents 1474848000 WTCR

Volvo's plan to conquer the WTCC Volvo gave the World Touring Car Championship a major boost when it announced it would enter the series, but its ambitions don't stop there. JACK COZENS examines its programme, the S60 and what its arrival means for the WTCC 1453075200 WTCR

Why F1's future is in jeopardy Bernie Ecclestone made Formula 1 what it is - big business. But now he's no longer running the show with a vice-like grip, PETER WINDSOR asks if Liberty is in danger of losing the profits Ecclestone worked to build 1524700800 F1

Why Kubica's biggest F1 gripe needs sorting Formula 1 cars have become a lot faster in recent seasons, but the price of such performance increases has been costly, and not just in financial terms... 1524700800 F1

Would a safety car every race help F1? The Chinese Grand Prix was turned on its head by the appearance of a late-race safety car. With aerodynamics stifling close racing, perhaps extreme measures are called for 1524700800 F1

How to 'damage' the opposition in qualifying DTM ace Jamie Green explains how drivers can gain a psychological edge over their rivals in qualifying 1524614400 Performance