Lenovo Thinkpad Edge 13: Windows 7 vs Ubuntu (10.04) power saving

[Ali Milis]

To Whom It May Concern;

Please send me some clues and hints about how to tweak
Ubuntu power saving. No flame, please!

If I use Windows 7, I can stay more then 5 hours on a Thinkpad
Edge 13. But, on Ubuntu 10.04, I can only stay for about 3 hours.

My applications are more or less the same for Windows and Linux:
mostly Firefox and WiFi.

regards,

-- 
Raja Ali M.I. Ilias, Bengkalis