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Red Bull locked in to using Renault engines - Newey
Adrian Newey cannot see Red Bull using any make of engine except Renault next year.
Renault recently admitted that its engines are down on power compared to Mercedes and Ferrari, while there has been speculation that Red Bull could swap to a Mercedes drivetrain. But technical director Newey told Germany's Sport Bild that Red Bull almost certainly stick with Renault.
"Where shall we go?" he said. "McLaren has stopped us from getting the Mercedes engine. So there's only Ferrari. But we ask ourselves: if we beat them, will we still have the same specification as the Ferrari team?"
Newey said he is happy with his team's current supply and acknowledged that Renault "always responds to our requests". However, he admitted that the French marque "very strongly adhered" to the spirit of the engine freeze and therefore fell behind in the power stakes.
"This means we now have a gap to Ferrari and Mercedes," added Newey. "And if Renault are not allowed to keep up, I can well imagine them withdrawing as an engine supplier."