ReadAloudME is an Android application which is totally FREE! It allows you to listen any news from Facebook, Twitter, Vkontakte and also from Google Reader and Gmail!
You just need an account on Readaloud.me (you can register right from the app - its free too!) and you can save your time while driving a car, working out at gym, walking or doing anything else anywhere you are! You can also download any mp3 files to your phone to listen them later!
app is available on PlayStore