Mobil 1 Advanced Fuel Economy full-synthetic motor oil 0W-8 is low-viscosity to help improve fuel economy.* Utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness Helps protect critical engine parts for up to 10,000 miles between oil changes,** controlling oxidation to prevent oil breakdown and maintaining excellent viscosity Helps extend engine life by working to prevent damaging deposits and sludge buildup Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)