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

High-mileage households

Energy; Coal

Households with estimated aggregate annual vehicle mileage that exceeds 12,500 miles.

Masonry

Energy; Coal

A general term covering wall construction using masonry materials such as brick, concrete block, stone, and tile that are set in mortar; also included is stucco. The category does not include ...

Kyoto protocol

Energy; Coal

The result of negotiations at the third Conference of the Parties (COP-3) in Kyoto, Japan, in December of1997. The Kyoto Protocol sets binding greenhouse gas emissions targets for countries that sign ...

High-temperature collector

Energy; Coal

A solar thermal collector designed to operate at a temperature of 180 degrees Fahrenheit or higher.

Masonry stove

Energy; Coal

A type of heating appliance similar to a fireplace, but much more efficient and clean burning. They are made of masonry and have long channels through which combustion gases give up their heat to the ...

Manufacturing division

Energy; Coal

One of 10 fields of economic activity defined by the Standard Industrial Classification Manual. The manufacturing division includes all establishments engaged in the mechanical or chemical ...

Junction

Energy; Coal

A region of transition between semiconductor layers, such as a p/n junction, which goes from a region that has a high concentration of acceptors (p-type) to one that has ahigh concentration of donors ...