Petrol

Petrol

a naturally occurring, flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights and other liquid organic compounds, that are found in geologic formations beneath the Earth's surface. A fossil fuel, it is formed when large quantities of dead organisms, usually zooplankton and algae, are buried underneath sedimentary rock and undergo intense heat and pressure.

Industry: Energy

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Petrol

Radiatively active gases

Energy; Coal

Gases that absorb incoming solar radiation or outgoing infrared radiation, affecting the vertical temperature profile of the atmosphere. Also see Radiative forcing.

Radiant energy

Energy; Coal

Energy that transmits away from its source in all directions.

Small power producer (SPP)

Energy; Coal

Under the Public Utility Regulatory Policies Act (PURPA), a small power production facility (or small power producer) generates electricity using waste, renewable (biomass, conventional ...

Sodium lights

Energy; Coal

A type of high intensity discharge light that has the most lumens per watt of any light source.

Drift mine

Energy; Coal

Underground mining methods. A technique that horizontally into coal that is exposed or accessible in a hillside. In a hydraulic mine, high-pressure water jets break the coal from a steeply inclined, ...