Edd Straw looks at the key questions to be answered by this weekend's season- opening Australian Grand Prix, including teams that played it cool in testing and Hamilton's prospects

BEWARE THE QUIET TESTERS

Red Bull has always taken a low-key approach to pre-season testing, this year more than ever.

During the 12 days in Spain, the RB9 didn't run in anger with much less than half a tank of fuel, and in the all-important second half of the final Barcelona test did a surprisingly small amount of running.

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