If you recently gone tire-kicking, taking a few new cars for a test drive, you've encountered the Auto Start/Stop feature. Automotive manufacturers tout this as a fuel efficiency bonus with new cars with claims of 5%-to-12% fuel savings. Industry experts have discussed the pros and cons of the Auto Stop/Start feature. To give you scoop on this praised and problematic feature, we turned to Auto Week. You can find their article, 'What Is Auto Stop/Start? Auto Week Explains' here.