The FW30 was unveiled to the public on 21 January 2008 at the Circuit de Valencia , Spain .
The FW30 was made its race debut at the 2008 Australian Grand Prix in the hands of 2008 Williams drivers Nico Rosberg and Kazuki Nakajima .
The FW30 was unveiled to the public on 21 January 2008 at the Circuit de Valencia , Spain , and made its race debut at the 2008 Australian Grand Prix in the hands of 2008 Williams drivers Nico Rosberg and Kazuki Nakajima .