How Formula 1 race strategy will be different in 2010

http://news.bbc.co.uk/sport2/hi/moto...ne/8461293.stm
Quote:
The first big headache for teams will be calculating the exact amount of fuel to put in the car.
Engineers will have had enough time in winter testing to figure out their fuel consumption rates under different weather/track conditions and engine settings, and can use a lot of their data from last year so this shouldn't be a problem.
Where the headache starts is trying to carry as little fuel as possible to complete the race.

1 thing i find strange is that the fueling will be done before the 3rd session of qualifying
fuel expands in high temperatures.
so some teams may be in trouble if there is a big change in the weather after quilifying