March 25, 2015 (GPracingplus/GMM).- Renault has continued to hit back amid suggestions its turbo V6 'power unit' is the only reason for Red Bull's 2015 struggle. The French marque's F1 chief Cyril Abiteboul on Tuesday blasted Red Bull designer Adrian Newey, accusing the Briton of "lying" about the RB11's only weakness being its engine. However, Abiteboul does not deny Renault's own problems. "Having a winning engine on its own merits is not something that will happen this year," the Frenchman is quoted by Italy's Autosprint. "We can do a better job on the engine," Abiteboul admitted, "but it is not something that happens in one winter." But after...
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