Renault warns not all manufacturers can afford rising costs

Amid growing signs that engine budgets are ramping up as a result of the battle between F1's current four manufacturers, Renault thinks that spending requirements are now getting to the point where they are hard to justify to parent companies. Renault F1's managing director Cyril Abiteboul says that the huge investment rival Honda has made to get its engine programme back on track is proof of ... Keep reading