ELI5- Is Gasoline and Petrol the same? Why the different name?

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If gasoline and petrol are the same, where does LPG (Liquid Petroleum Gas) come into It and how can it be a liquid and a gas?

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Gasoline and Petrol are the same, just different terms in North America vs Europe.

Gasoline isn’t a gas, it’s a liquid. The term GASOLINE is thought to have been influenced by the trademark “Cazeline” or “Gazeline”, named after the surname of British publisher, coffee merchant, and social campaigner John Cassell.

Gasoline and petrol is the same thing, referred to in different names. The origin of gasoline/petrol is the petroleum oil also known as the crude oil. This fossil fuel consists of a mixture of several hydrocarbons and other impurities in gaseous, liquid, and solid states. Gasoline is one of the products isolated from the crude oil by fractional distillation and is widely consumed in the industrial world.

In the early days of motoring there were some confusion about what the fuel was called. It was sold under various different names including gasoline, petrol and benzine. These then became common names. The “gas” in gasoline does not come from gas but started out as the trademark Cazeline from John Cassell. Counterfit Cazeline was sold under the trademark Gazeline and then in North America was simplified to Gasoline.

Petrol is short for Petrolium which literally means “rock oil”. This shorter term was first used for refined petrolium used as solvants but this was the right composition to use in combustion engines. The term benzine comes from the chemical benzene which is also a petrochemical solvant. There are small amounts of benzene in the fuel as a byproduct of the refining process which might have inspired the term, or it might have been confused with each other as petrol and benzene would be used interchangably as solvants.

sources for this “John Cassel”?

Liquid Petrolem Gas is a mixture of propane and butane gases. They can be liquified under pressure to increase the density, and evaporate to a gaseous state once the container is opened.