Fedora has great documentation. It's one of the many reasons that the Red Hat-sponsored community project's operating system is a compelling choice for your desktops, laptops and maybe even servers if you like to tinker.
I'm not unhappy with the battery life of my HP Pavilion g6-2210us laptop. I get a whole lot more out of it than I did my previous Lenovo G555. But I'm always on the lookout for more optimization, and right now I'm focusing on the hard drive, which throws off more heat than I'd like (but not so much as to be a problem).
tuned and made it run at startup.
There is an error in the F19 Power Management Guide in how to do that.
The correct command (run with rootly privileges) to make
tuned start at boot is:
# systemctl enable tuned
The last two words are reversed in the docs. And yes, I did file a bug.