Gaseolin is a petrochemical product characterized as a transparent, yellowish, and flammable liquid normally used as a fuel for spark-ignited internal combustion engines. When formulated as a fuel for engines, gasoline is chemically composed of organic compounds derived from the fractional distillation of petroleum and later chemically enhanced with gasoline additives. It is a high-volume profitable product produced in crude oil refineries.
Gasoline varies by grade
Three main grades of gasoline are sold at retail gasoline refueling stations:
1. Regular
2. Midgrade
3. Premium
Some companies have different names for these grades of gasoline, such as regular, unleaded, mid-grade, medium, super, premium, or super premium, but they all indicate the octane rating, which is the antiknock property of gasoline.
