Some folks with Macs (Intel based) have noticed much shorter battery life and higher than normal CPU temperatures.
This comes via Hankers: There’s a possible fix here: http://support.apple.com/kb/HT3964?viewlocale=en_US&locale=en_US
It involves resetting your Mac’s SMC (System Management Controller) and it’s supposed to be an easy fix, though it won’t work for all battery types .
