This just in (though I don't yet know its significance): The Federal Trade Commission announced a streamlined new format for comparing average annual energy consumption when you go shopping for home appliances. See the new one here.
The FTC says the new yellow sticker was the result of a two-year review and was informed by "substantial public comment and consumer research."
Inefficient appliances are big drains on electricity, which means they're costly both to your wallet and the environment. I hope this helps, but at a glance, it's hard to see what's different.