New alternator for Red Bull

Renault will switch Red Bull on to its newest specification of alternator for the championship decider in Brazil following Mark Webber's failure in the United States Grand Prix.

Webber suffered Red Bull's third alternator failure in a race this year at Austin, dropping him out of third position. That problem prompted concerns from the team about that area of the car, which has left engine partner Renault in no doubt that Red Bull must switch to the newer spec for this weekend's Interlagos showdown.

Renault's head of trackside operations Remi Taffin said about the plans for Brazil: "It is very simple. We go for the new spec. It has passed all the tests."

Red Bull elected not to use the newer specification, which was raced by other Renault teams, because it felt safer using the older specification that had so far proved trouble-free. When asked why that decision had been made if the newer units had passed all reliability tests, Taffin said, "Because they are human beings and at some point, as humans, they have some feelings. More at Racer.com