Can different types of gasoline be mixed when refueling?

1 Answers
CourtneyLynn
07/29/25 12:18pm
Gasoline can be mixed, here are the relevant details: Mixing gasoline is possible: For gasoline from different companies, the state has strictly standardized the main components of additives in gasoline. Even if mixed, it will not cause harm. In emergency situations, gasoline from Sinopec and PetroChina can be mixed occasionally. However, from a long-term perspective, it is not recommended to mix gasoline from different petroleum companies. Gasoline composition: Gasoline mainly consists of C5-C12 aliphatic hydrocarbons and cycloalkanes, as well as a certain amount of aromatic hydrocarbons. Gasoline has a high octane number (anti-knock combustion performance) and is classified into grades such as 89, 92, and 95 based on the octane number. Gasoline is produced by refining different gasoline components obtained from petroleum refining, such as straight-run gasoline components, catalytic cracking gasoline components, and catalytic reforming gasoline components, and then blending them with high-octane components. It is mainly used as fuel for spark-ignition internal combustion engines in automobiles.
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