Some would say that the central bank's way of ensuring independence is to abandon macroprudential policies and micro-prudential policies and to take unconventional interventions in the securities market. But the crisis is an important lesson, macroeconomic and financial policies are closely connected, when the two tasks in the same institution, management by different commission, their coordination is the most effective. And because interest rates are low and uncertain, a crisis is coming, and unconventional policies will come back. In the fifth stage, the national standard of motor vehicle gasoline is equivalent to the current standard in Europe, which meets the requirements of the standard of gasoline vehicle pollutant emission in the fifth stage. According to the ministry of reform, the ministry of finance and the ministry of environmental protection, the ministry of environmental protection and the ministry of environmental protection issued a notice on the issuance of a plan for the upgrading of refined oil products, and expanded the scope of the implementation of the five standards of automobile and diesel oil. Starting from January 1, 2016, China's eastern region is fully supplied with five standard vehicle gasoline (including E10 ethanol gasoline). Starting from January 1, 2017, the nationwide supply of motor vehicles (including E10 ethanol gasoline) that meet the standard of China's fifth standard will be fully supplied, while the domestic sales of the five standard vehicles will be stopped at the same time. The investment in securities is conducive to improving the operation and management of enterprises, improving the economic and social visibility of enterprises and promoting the rationalization of enterprises' behaviors. "Manufacturing companies with complex and lengthy international supply chains, such as the automotive industry, could also face significant challenges. These developments could also have a significant impact on productivity growth. " At present, there are 89, 92, 95 and other labels on the market, which represent the octane value of gasoline, which means the anti-detonation of gasoline, which has nothing to do with the cleaning of gasoline. The so-called "high label gasoline is cleaner" is misleading. It is more scientific, more economical, and can give full play to the engine's efficiency according to the engine compression ratio or the requirement of the automobile instruction manual.