Ferrucci's engine failure in Friday's Indy 500 practice was the sixth of its kind for Chevrolet since April 27.

Fernando Alonso insists that he is not concerned about the reliability of Honda's powerplants ahead of this weekend's Indianapolis 500, despite James Hinchcliffe suffering an engine failure during practice on Carb Day.Hinchcliffe's blowup followed a string of similar failures during May, and further fuels concerns about whether Sunday's race could...

Losing four engines in a month would be a troubling trend for any manufacturer. Blowing four motors in six days, as Honda has experienced at Indianapolis, could bring the worrying to an all-new level.The Japanese brand suffered two engine failures on Saturday during the Verizon IndyCar Series' IndyCar Grand Prix...

Lewis Hamilton says having a perfectly reliable Mercedes Formula 1 car until the end of the season would be "a real breath of fresh air."Hamilton's engine failure while leading in Malaysia followed deployment issues that blunted his race in Baku, while he also started 10th in China and last in...

Dear Lewis,Hey, it's God. Sorry for the delay in writing but I've been dealing with a lot of non-racing stuff lately. You have the standard fare – wars, famine, disease – and prayers have been pouring in from North America this week; there's a massive hurricane pounding the East Coast....

Mercedes non-executive chairman Niki Lauda has called talk of Mercedes sabotaging Lewis Hamilton's Formula 1 championship hopes "ridiculous and stupid."Hamilton retired from the lead of the Malaysian Grand Prix on Sunday with another engine failure, prompting the world champion to declare "something doesn't feel right" about the number of problems...

Getting through the 2015 Formula 1 season on just four engines will be "a big challenge" for McLaren-Honda, admits Eric Boullier.Engine use restrictions have been further tightened for 2015, with the previous allowance of five power units now reduced by one. Honda has struggled for reliability during pre-season testing, managing...