That's how I read it, and I agree with him. When I'm running a linux VM on my Macbook Air the battery drains significantly faster than normal, even if the VM is

That's how I read it, and I agree with him. When I'm running a linux VM on my Macbook Air the battery drains significantly faster than normal, even if the VM isn't actually doing anything. It must have something to do with the way that VirtualBox responds to power management from the host OS.