Uneconomical. According to the relevant information of official website, environmental protection oil is not only economical, but also volatile, low flash point and prone to combustion and explosion. It is a flammable and explosive dangerous goods recognized and strictly controlled by the state. At the same time, its raw materials methanol and ethanol are also moderately harmful poisons, which will cause damage to people's central nervous system, respiratory tract and optic nerve. Long-term use of "environmental protection oil" not only has great security risks, but also endangers the health of catering staff and consumers. For specific information, please consult relevant departments for first-hand authoritative information.