Renault has achieved the “high targets” it set for the off-season development of its power unit, according to its engine chief Remi Taffin. Renault has trailed Mercedes and Ferrari through the five-year history of Formula 1’s hybrid era, having taken only a handful of wins in most seasons with erstwhile partner Red Bull. At stages last year it was also threatened by Honda, which made encouraging gains after years of chronic underperformance and unreliability. Renault undertook substantial work through the winter months in its bid to close the gap on the power unit leaders, and Taffin was buoyed by on-track results correlating with dyno data. “Everything we actually...
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