A crude oil through a refining process known as fractional distillation.

Gasoline is a complex mixture of hydrocarbons, typically consisting of various compounds such as alkanes, cycloalkanes, and aromatic hydrocarbons. The specific composition of gasoline can vary depending on factors such as regional standards, environmental regulations, and the desired properties for optimal engine performance.

In addition to hydrocarbons, gasoline may contain various additives to enhance its performance and meet specific requirements. These additives can improve fuel efficiency, reduce emissions, prevent engine deposits, and enhance combustion.

Gasoline is typically measured and sold by volume, with common units of measurement being gallons or liters. The octane rating is used to indicate the resistance of gasoline to “knocking” or premature ignition in an engine. Higher octane ratings generally correspond to fuels that can withstand higher compression ratios, which are common in high-performance engines.

On the other hand, automotive oil, commonly known as motor oil or engine oil, is a lubricant specifically designed for use in internal combustion engines.,