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Petroleum - Wikipedia
Extraction, refining and burning of petroleum fuels counteract carbon sinks by releasing large quantities of greenhouse gases back into the Earth's atmosphere, making petroleum one of the major contributors to anthropogenic climate change.

Petroleum | Energy, Products, & Facts | Britannica
A natural resource, petroleum is most often conceived of in its liquid form, commonly called crude oil, but, as a technical term, petroleum also refers to natural gas and the viscous or solid form known as bitumen, which is found in tar sands.

Petroleum - National Geographic Society
Petroleum, also called crude oil, is a fossil fuel. Like coal and natural gas, petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria.

What is Petroleum: Definition, Formation, Constituents, Types and Uses
Petroleum, a naturally occurring liquid found beneath the earth’s surface, originates from the decomposition of organic matter over millions of years. The formation of petroleum begins with ancient marine organisms, such as plankton and algae, settling at the bottom of oceans and seas.

Petroleum industry - Wikipedia
The petroleum industry, also known as the oil industry, includes the global processes of exploration, extraction, refining, transportation (often by oil tankers and pipelines), and marketing of petroleum products.

Oil and petroleum products explained - U.S. Energy Information ...
Petroleum products are fuels made from crude oil and the hydrocarbons contained in natural gas. Petroleum products can also be made from coal, natural gas, and biomass.

PETROLEUM Definition & Meaning - Merriam-Webster
The meaning of PETROLEUM is an oily flammable bituminous liquid that may vary from almost colorless to black, occurs in many places in the upper strata of the earth, is a complex mixture of hydrocarbons with small amounts of other substances, and is prepared for use as gasoline, naphtha, or other products by various refining processes.

Crude Oil & Petroleum Explained: A Complete Guide - BKV Energy
Oil energy refers to the energy derived from the extraction, refining, and utilization of crude oil, also known as petroleum. It is a fossil fuel that contains hydrocarbons, which are organic compounds composed of hydrogen and carbon atoms.

What is petroleum, and where does it come from? - ZME Science
Petroleum (from the old Greek petra, meaning stone and oleum meaning oil), also known as crude oil, is a fluid mix of liquid and gaseous hydrocarbons, inorganic chemical elements, and physical ...

What is petroleum? | Britannica
Petroleum is a complex mixture of hydrocarbons that occur on Earth in liquid, gaseous, or solid form. The term is often restricted to the liquid form, commonly called crude oil.