After using its KERS hybrid system on and off through the first half of the 2009 Formula One season, the BMW-Sauber team has decided enough is enough. The team will shelve the system through the remainder of the year while it focuses on aerodynamic development. In spite of the utter lack of success using the kinetic energy recovery systems this year, team boss Mario Theissen said the development process has actually be useful for the company's production hybrids. Lessons learned in...