Pennzoil Platinum Euro SAE 5W-40 Full Synthetic with PurePlus Technology is when you combine PurePlus synthetic base oils with our high performance additives. PurePlus Technology is a patented, revolutionary process that converts pure natural gas into the first-of-its-kind, high quality, full synthetic base oil used in the Pennzoil Platinum line of motor oils. It produces a crystal clear base oil that is 99.5 percent pure with fewer impurities than base oils made from crude oil, the start to many other traditional and synthetic motor oils. PurePlus base oils enable very low volatility formulations with NOACK volatilities of 10 percent and lower – results typical API Group II and III (synthetic) base stocks cannot achieve. This means less oils lost by evaporating off hot engine surfaces such as piston rings. Platinum European SAE 5W-40 Full Synthetic Motor Oil meets the needs of European and performance automobiles. It has superior Active Cleansing Agents continuously attacks potential and stubborn deposits to help keep the engine clean. A low volatility oil that provides excellent high-temperature protection and low-temperature protection. It resists high temperature oxidation better than conventional oils.