Gasoline is obtained from the distillation of crude oil and consists of a blend of hydrocarbons. It is used to drive internal combustion engine with controlled ignition, which are typically used to power motor vehicles.

The European specifications of reference for unleaded gasoline are contained in standard EN 228, which harmonizes the national specifications throughout Europe for unleaded high-octane gasoline. The Italian version is UNI EN 228.

From 1 January 2009 all gasoline sold is free of sulfur.

Gasoline can be blended, in amounts defined by technical specifications, with certain organic fuels like ethanol or ETBE.