Shell is creating the first-of-its kind base oil made from natural gas, the cleanest-burning fossil fuel. Shell PurePlus Technology, a patented process of converting natural gas into a clear base oil, is the main component of motor oils.

Shell PurePlus Technology is now being used to create motor oils in the United States. Pennzoil Platinum and Pennzoil Ultra Platinum Full Synthetic motor oils are the only products blended exclusively with these base oils.

Shell PurePlus Technology base oil is manufactured at the Pearl GTL facility in Ras Laffan in Qatar, a partnership between Qatar Petroleum and Shell. Shell PurePlus base oil is crystal clear due to having fewer of the impurities found in crude oil. The Shell GTL and the Shell PurePlus base oil manufacturing processes have been the subject of multiple patents.