MotoGP confirms grids; practice schedule

From motogp.com

Following a meeting of FIM and MotoGP officials in Madrid on Thursday there was confirmation of a four-session weekend for the 2011 World Championship season, as well as a switch to three riders per line on the starting grid for all classes. Rules for the new Moto3 category to be applied in 2012 were also verified.

In 2011 the practice schedule across the first two days of each Grand Prix will be as follows:
MotoGP: four sessions of 60 minutes
Moto2: four sessions of 45 minutes
125cc: two sessions of 45 minutes (morning) and two sessions of 30 minutes (afternoon).

There will also be three riders on each row of the starting grid in every category starting in 2011.

With regards to the new Moto3 class which will be introduced in 2012, there was confirmation that there will be a single supplier for the ECU engine management system with an announcement on the chosen proposal due on March 19, 2011.

There will also be a single tire and fuel/oil supplier to the class, both of which will be announced on the same date.