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Petroleum vs. Petrol — What's the Difference?

Edited by Tayyaba Rehman — By Fiza Rafique — Updated on May 3, 2024
Petroleum is a crude oil extracted from the earth, used as a source for various fuels and chemicals, whereas petrol, derived from petroleum, is a specific type of fuel used mainly in internal combustion engines.
Petroleum vs. Petrol — What's the Difference?

Difference Between Petroleum and Petrol

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Key Differences

Petroleum is a complex mixture of hydrocarbons that can be refined into various forms of fuels and chemical products, including petrol. On the other hand, petrol, also known as gasoline, is a refined product specifically used as a fuel for vehicles. It is obtained from the distillation of petroleum.
Petroleum is extracted through oil drilling and is characterized by its viscous and black nature. In contrast, petrol is a clear, volatile liquid with a distinctive odor, created by refining and processing petroleum.
The primary use of petroleum is as a raw material for various sectors, including energy, chemicals, and manufacturing. Whereas petrol is specifically utilized as a fuel for cars, motorcycles, and other types of combustion engines.
The global market for petroleum encompasses a wider range of industries, influencing everything from fuel prices to plastics production. Conversely, the market for petrol is predominantly concerned with the automotive and transport sectors.
Environmental impacts of petroleum are broad, affecting land, air, and water during extraction and refining processes. On the other hand, the main environmental concern with petrol is its emission of pollutants when burned as fuel, contributing to air pollution and climate change.
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Comparison Chart

Composition

Mixture of various hydrocarbons
Refined hydrocarbon liquid

Primary Use

Raw material for fuel, chemicals
Fuel for internal combustion engines

Extraction/Production

Extracted from oil fields
Refined from crude oil (petroleum)

Environmental Impact

High; affects land, air, water
Mainly air pollution when burned

Economic Influence

Broad impact on multiple sectors
Primarily affects transport sector

Compare with Definitions

Petroleum

Subject to international trade and regulation.
Petroleum pricing can fluctuate significantly due to global events.

Petrol

A light fuel oil obtained by distilling petroleum, used mainly in internal combustion engines.
Petrol prices often rise during the summer driving season.

Petroleum

A naturally occurring, yellow-to-black liquid found beneath the Earth's surface, used primarily as a fuel source.
Petroleum extraction has significantly shaped the economies of oil-rich countries.

Petrol

The primary fuel for most road vehicles.
In some countries, petrol is more commonly referred to as gasoline.

Petroleum

A component in the manufacturing of lubricants and greases.
Petroleum-based lubricants are essential for machinery operation.

Petrol

Influenced by global oil prices and local tax policies.
Changes in petrol prices can reflect shifts in oil production levels or tax adjustments.

Petroleum

An energy source that can be refined into various fuels, including gasoline and diesel.
Global dependence on petroleum as an energy source continues to influence geopolitical dynamics.

Petrol

A volatile substance that evaporates quickly and can ignite at low temperatures.
Handling petrol requires safety measures due to its flammability.

Petroleum

A raw material for the petrochemical industry, used to produce plastics and other synthetic materials.
The petroleum industry is a major consumer of steel and concrete.

Petrol

Measured and sold by the liter or gallon at fuel stations.
The cost of petrol can significantly impact a family's monthly budget.

Petroleum

Petroleum (), also known as crude oil and oil, is a naturally occurring, yellowish-black liquid found in geological formations beneath the Earth's surface. It is commonly refined into various types of fuels.

Petrol

A light fuel oil that is obtained by distilling petroleum and used in internal combustion engines.
Petrol fumes

Petroleum

A liquid mixture of hydrocarbons which is present in suitable rock strata and can be extracted and refined to produce fuels including petrol, paraffin, and diesel oil; oil.

Petrol

A shade of greenish or greyish blue.

Petroleum

A thick, flammable, yellow-to-black mixture of gaseous, liquid, and solid hydrocarbons that occurs naturally beneath the earth's surface, can be separated into fractions including natural gas, gasoline, naphtha, kerosene, fuel and lubricating oils, paraffin wax, and asphalt and is used as raw material for a wide variety of derivative products.

Petrol

Gasoline.

Petroleum

A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface.

Petrol

Petroleum, a fluid consisting of a mixture of refined petroleum hydrocarbons, primarily consisting of octane, commonly used as a motor fuel.

Petroleum

Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distillation, and the products include kerosene, benzine, gasoline, paraffin, etc.

Petrol

(informal) A motor vehicle powered by petrol (as opposed to diesel).

Petroleum

A dark oil consisting mainly of hydrocarbons

Petrol

Petroleum.

Petrol

A volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines

Common Curiosities

How is petroleum extracted?

Petroleum is extracted through drilling in terrestrial or offshore oil fields, where it is pumped from beneath the earth's surface.

Can petroleum be used directly as fuel?

No, petroleum cannot be used directly as fuel; it must first be refined into various products like petrol, diesel, and kerosene.

What are the primary refining processes for turning petroleum into petrol?

The primary processes include distillation to separate different hydrocarbons, catalytic reforming to improve quality, and treatments to remove impurities.

What types of pollutants does petrol emit when burned?

When burned, petrol emits carbon dioxide, carbon monoxide, nitrogen oxides, particulate matter, and volatile organic compounds.

How does the volatility of petrol affect its use in engines?

The volatility of petrol affects how easily it vaporizes to form a combustible mixture in engines, influencing engine efficiency and start-up performance.

What safety measures are necessary when handling petrol?

Safety measures include storing petrol in well-ventilated areas, using proper containers, avoiding sparks or open flames, and grounding during transfer.

Why do petrol prices fluctuate so frequently?

Petrol prices fluctuate due to changes in crude oil prices, supply and demand dynamics, geopolitical events, and government tax and subsidy policies.

What is the difference in energy content between petroleum and petrol?

Petrol, as a refined product of petroleum, has a higher energy content per volume because it is made up of lighter, more energy-dense hydrocarbons.

What role does petroleum play in the production of plastics?

Petroleum serves as the base material for many plastics; it is processed into monomers that can be polymerized into various types of plastics.

How are petroleum reserves estimated?

Petroleum reserves are estimated through geological and engineering assessments that predict the amount of oil that can be economically extracted.

How does the extraction of petroleum impact the environment?

The extraction of petroleum can lead to environmental degradation, including habitat disruption, oil spills, and water contamination.

What alternatives to petrol are being developed for vehicles?

Alternatives include electric vehicles, hydrogen fuel cells, biofuels, and other synthetic fuels designed to reduce dependence on petrol.

How does the global oil market affect the economy?

The global oil market affects the economy by influencing energy costs, trade balances, inflation rates, and investment in energy sectors.

How do governments regulate the petroleum and petrol industries?

Governments regulate these industries through licensing requirements, environmental standards, taxation policies, and monitoring of operations.

What are the long-term prospects for petroleum as an energy source?

Long-term prospects are influenced by global energy demand, technological advancements in renewable energy, and international policies aimed at reducing carbon emissions.

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Author Spotlight

Written by
Fiza Rafique
Fiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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