Ethos FR+ Gets You 10-30% Better Gas Mileage, Lets You Run 87 Octane Gas in Any Car. ✅ Significantly Boosts Your Fuel Mileage - Just Add 1 Ounce Ethos FR+ per 7.5 Gallons. If you prefer using Green Products, running Ethos FR+ and Ethos FR reduces your carbon footprint by reducing your emissions, increasing your fuel mileage and cutting your engine oil use in half.
