Pat Symonds said he was confused as to why Renault fell off the pace in the latter stages of the British Grand Prix.
Fernando Alonso fears the French Grand Prix suggested that Renault are losing ground to their rivals.
Nelson Piquet followed Fernando Alonso's lead by giving Renault fans further cause to cheer ahead of their home grand prix in France.
Team Boss Flavio Briatore has rubbished claims that Nelson Piquet Jr's days at Renault are numbered.
Nelson Piquet Jr. is refusing to let his latest retirement get him down despite rumours that he could be on his way out of Renault.
Nelson Piquet Jr. has said he is not fazed by the lack of points he has scored so far in his debut season.
Fernando Alonso is hopeful of putting on "a beautiful show" for his home fans at this weekend's Spanish Grand Prix.
Fernando Alonso has been left lamenting Renault's lack of pace after trailing home 10th in the Bahrain Grand Prix.
Renault's director of engineering Pat Symonds says the team must redouble its efforts to catch F1's frontrunners.
Renault team boss Flavio Briatore believes it unfair to judge the team's performance after just two grands prix.
Despite a poor F1 debut, Nelson Piquet Jr. was spared the embarrassment of public criticism by Renault team boss Flavio Briatore.
Nelson Piquet Jr. says his situation at Renault will be made easier because no-one expects him to beat team-mate Fernando Alonso.
Flavio Briatore says Renault won't suffer the same problems McLaren did with Fernando Alonso and Lewis Hamilton.
Nelson Piquet Jr. is refusing to predict how this year's world championship might unfold.
Team CEO Martin Whitmarsh details their performance at Silverstone.
Reflections on Lewis Hamilton's dominant victory in the British Grand Prix on Sunday.
A few interesting facts about Silverstone, venue for this weekend's British Grand Prix.