What is another word for unleaded petrol?
Pronunciation: [ʌnlˈɛdɪd pˈɛtɹə͡l] (IPA) 
There are multiple synonyms for the term "unleaded petrol." Some of the most common ones include "regular gasoline," "unleaded gasoline," "unleaded fuel," and "petrol without lead." All of these synonyms refer to fuel that doesn't contain lead, which was a common additive in gasoline for many years. This was because it boosted the fuel's octane rating, improving engine performance and reducing engine knock. However, leaded gasoline was found to be extremely harmful to human health and the environment, which led to its global phase-out. Currently, unleaded petrol represents the standard fuel for cars worldwide. Its synonyms are often used interchangeably, depending on regional variations in language and terminology.
