Renault insist they are "completely committed" to resolving their issues in the wake of a barrage of criticism from Red Bull's Christian Horner.
Sebastian Vettel failed to see the chequered flag in Sunday's Austrian Grand Prix after an engine problem dropped him a lap behind the race leaders early in the race.
Added to that, his team-mate Daniel Ricciardo did not have the grunt needed to challenge at the front and finished the team's home grand prix in a disappointing eighth place.
Team boss Horner was furious with the outcome and said Renault's reliability and performance are "unacceptable".
And the French engine manufacturer agrees.
Renault's deputy technical managing...
Full Story »