"The possibility to change the specification of the engine during the season is extremely limited" - Rob White.
Reports suggest that the proposed 'megaphone' idea will get the sound of the V6 much closer to the V8's of 2013.
"Our current problems are not with the team, but in the engine area. The team has more than excellent know-how." - Dietrich Mateschitz.
A look at Renault's new F1 engine conform to the 2014 rules.
Red Bull Racing have a very busy off season ahead.
A fan uses his F1 Guitar to make a prediction of the sound of the new V6 engines, as compared to the old V10s and the current V8s.
Lotus is still working to make 2014 simulator as accurate as possible.