Formula 1's current hybrid turbo engines have served to divide opinion, with Bernie Ecclestone a chief critic about their noise and costs.
Annual race at Indiana's Anderson Speedway has 33 sprint cars on a quarter-mile oval.
It’s been almost five years since a Ducati rider last won a MotoGP race – Jamie Klein asks whether the losing streak may be about to end this weekend at Mugello.
Sam Bird told Sam Smith that he believes that he and his G-Drive Racing teammates have a good chance of LMP2 glory in his second Le Mans 24 Hours next month.
Top 10 photos of the week: 2015-05-27
Todt says F1 will not ban alcohol sponsorship
Monaco showed Verstappen's potential, says Red Bull
$50,000 in prizes up for grabs in DraftKings, fantasy NASCAR game
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