Hartley fears penalty after Honda engine problem

The Toro Rosso driver stopped with nine minutes left to run in FP2 after a loss of power.Honda introduced an upgraded F1 engine at the last race in Canada, with Pierre Gasly needing a replacement after a problem emerged in FP3.Commenting on his "very disappointing end" to a day in which Toro Rosso showed top-10 pace, Hartley said: "I don't have all the details yet, but I think ... Keep reading