What is cooking oil made of

Principal Energy Use: Transportation
Form of Energy: Chemical

Oil is the most-used energy resource worldwide and provides more than 90% of global transportation energy.

Because the majority of oil is produced by a limited number of countries, securing access to this resource has significant geopolitical consequences.

Oil (also referred to as petroleum) is a depletable, non-renewable resource burned to convert chemical energy into heat, and a leading contributor to air pollution and climate change.

It is a mixture of hydrocarbons found mostly in liquid form in porous rocks beneath the Earth’s surface.

Crude oil products chart

The process to extract and produce oil involves prospecting, drilling, completion, and production. Various refined products (e.g., gasoline, diesel, jet fuel) are obtained from processing crude oil, an energy-intensive process.

Because of its high energy density, both by weight and volume, oil is very convenient for transport (where you have to carry your fuel with you).

This makes it difficult to replace oil with less energy dense low-carbon alternatives.

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