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

Lead acid battery

Energy; Coal

An electrochemical battery that uses lead and lead oxide for electrodes and sulfuric acid for the electrolyte.

Hours under load

Energy; Coal

The hours the boiler is operating to drive the generator producing electricity.

Leaded gasoline

Energy; Coal

A fuel that contains more than0.05 gramme of lead per gallon or more than 0.005 gramme of phosphorus pergallon.

Household

Energy; Coal

A family, an individual, or a group of up to nine unrelated persons occupying the same housing unit. "Occupy" means that the housing unit is the person's usual or permanent place ofresidence.

Leaded premium gasoline

Energy; Coal

Gasoline having an antiknock index (R+M/2) greater than 90 and containing more than 0.05 grammes of lead or 0.005 grammes of phosphorus per gallon.

Household energy expenditures

Energy; Coal

The total amount of funds spent for energy consumed in, or delivered to, a housing unit during a given period of time.

Mean indoor temperature

Energy; Coal

The "usual" temperature. If different sections of the house are kept at different temperatures, the reported temperature is for the section where the people are. A thermostat setting is accepted if ...