▎ 摘　　要

NOVELTY - A catalyst comprises medium stock solution, ferrocene, aromatic hydrocarbons, isooctyl nitrate, camphor, molybdenum oxide and graphene. USE - The catalyst is used for energy-saving and environment-friendly gasoline (claimed). ADVANTAGE - The catalyst can greatly reduce fuel consumption after being added to gasoline. The gasoline is transparent without settled mechanical impurities, and has excellent various performance indicators, and simple and easy to control preparation. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) an energy-saving and environment-friendly gasoline comprising catalyst and national VI gasoline; and (2) preparation of the energy-saving and environment-friendly gasoline comprising mixing raw materials of catalyst homogeneously, adding to gasoline at ratio of 1:1200-1600, and stirring.