On the latest Macbook Air, battery life is about the same. Perhaps slightly worse on Linux. Ubuntu seems to perform better than OSX though: http://www.phoroni

On the latest Macbook Air, battery life is about the same. Perhaps slightly worse on Linux. Ubuntu seems to perform better than OSX though: http://www.phoronix.com/scan.php?page=article&item=macosx_108dp1_ubuntu&num=1 http://www.phoronix.com/scan.php?page=article&item=macos...