Neosocket is a fuel saving device that you just plug to save money and reduce impact on the environment. The Neosocket is a multi-purpose Voltage Stabilizer, that instantly stabilizes your car's electrical system, resulting in better fuel efficiency and overall performance. By stabilizing your car's electrical system with Neosocket, your engine's spark plugs deliver a strong even spark, which increases power and MPG, in addition to producing cleaner emissions.