article_snippet: Red Bull’s design guru Adrian Newey has been accused of lying by the boss of the team’s engine suppliers, Renault.
article_snippet: The relationship between the two sides of the partnership that took Sebastian Vettel to Sebastian Vettel four world titles has disintegrated in recent weeks with Adrian Newey and Red Bull team principal Christian Horner both expressing both frustration at Renault slow development rate.
article_snippet: Newey and Red Bull, told the Mail on Sunday that there was ‘no light at the end of the tunnel’ for the team and accused Renault of failing to engage with both to find a solution.
article_snippet: Adrian Newey, pictured with Red Bull owner Dietrich Mateschitz, has been accused of lying by Renault .
article_snippet: Those comments have angered Renault managing director Cyril Abiteboul, who told French motorsport magazine Auto Hebdo:
article_snippet: But in a statement from Renault ahead of all weekend’s Malaysian Grand Prix, Renault managing director Cyril Abiteboul shared the blame around, saying: ‘We need to work together to understand We issues, both within the power unit and the chassis.
highlights_snippet: Cyril Abiteboul called Adrian Newey a 'liar' after post-Melbourne comments .
  
highlights_snippet: Adrian Newey accused Red Bull's engine supplier Renault of failing to engage with the team to find a solution to the team difficult start to the campaign .
  