If the gasoline is illegally bought and sold without approval, if the circumstances are serious, it will constitute a crime of illegal business operation and be sentenced according to the circumstances of the case.
 1. A natural person who commits this crime shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention and shall also, or shall only, be fined not less than one time but not more than five times the illegal gains; If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than five years and shall also be fined not less than one time but not more than five times the illegal gains or be sentenced to confiscation of property.
 2. If a unit commits this crime, it shall be fined, and the persons directly in charge and other persons directly responsible for it shall be investigated for criminal responsibility in accordance with the provisions of this article.
 Serious circumstances:
 1. The amount of an individual's illegal business is more than 50000 yuan, or the amount of illegal income is more than 10000 yuan;
 2. The amount of illegal business of the unit is more than 500000 yuan, or the amount of illegal income is more than 100000 yuan;
 3. Although the above amount standard is not met, the same kind of illegal business conduct has been subjected to more than two administrative penalties within two years.
 [Legal Basis]
 Article 225 of the Criminal Law: Whoever, in violation of State regulations, commits one of the following illegal business operations and disturbs market order, if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention and shall also, or shall only, be fined not less than one time but not more than five times the illegal gains; If the circumstances are especially serious, he shall be sentenced to fixed-term imprisonment of not less than five years and shall also be fined not less than one time but not more than five times the illegal gains or be sentenced to confiscation of property:
 （1） Operating, without permission, goods that are monopolized or sold as prescribed by laws and administrative regulations or other goods that are restricted from trading;
 （2） Buying and selling import and export licenses, import and export certificates of origin, and business licenses or approval documents as required by other laws and administrative regulations;
 （3） Illegal operation of securities, futures and insurance business without approval of the relevant competent department of the State, or illegal operation of fund payment and settlement business;
 （4） Other illegal business activities that seriously disrupt the market order.