Pedro de la Rosa , team McLaren-Mercedes' third and test driver set today the fastest time of the last day of Formula 1 testing at Jerez de la Frontera, Spain. This was last official in-season test session for 2008.De la Rosa worked on new mechanical and aero parts, and also verified the installation of the infamous KERS.BMW-Sauber's Nick Heidfeld ranked second, ahead of the surprising Luca di Grassi, currently under evaluation by the Renault F1 Team for a seat next season.Sebastian Vettel resumed his work with Red Bull Racing while Sébastien Buemi had a second day aboard the Ferrari-powered Toro Rosso. Friday times DRIVERTEAMBESTLAPS 1DE LA ROSAMcLaren1 :18.992902HEIDFELDBMW1 :19.250983DI GRASSIING Renault F1 Team1 :19.2801024VETTELRed Bull Racing1 :19.470935BUEMIToro Rosso1 :20.005846GLOCKToyota1 :20.4821117WURZHonda1 :22.637518ROSBERGWilliams1 :22.876102 Unofficial timing
F1: Pedro de la Rosa goes quickest at Jerez