Red Bull: New F1 engine rules fail to achieve aims - Article Photos 1/2

Mechanics prepares the racing car of German Formula One driver Sebastian Vettel of Red Bull during the second practice session of the Bahrain Formula One Grand Prix at the Formula One Bahrain International Circuit in Sakhir, Bahrain, Friday, April 4, 2014. The Bahrain Formula One Grand Prix will take place here on Sunday. (AP Photo/Kamran Jebreili)