Emissions

Emissions

Substances discharged into the air during combustion, e.g., all that stuff that comes out of your car.

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Part of Speech: noun
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Industry/Domain: Biotechnology; Energy
Category: Biofuel
Company: Grist
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Related terms

emission

Science; General science

Energy or matter that is released from something. Rays of light from the Sun and exhaust from the car's engine are both emissions.

emission

Aerospace; Satellites

With respect to electromagnetic radiation, the process by which a body emits electromagnetic radiation as a consequence of its kinetic temperature only.

emissivity

Aerospace; Satellites

Ratio of radiation emitted by a surface to the radiation emitted by a black body at the same temperature under similar conditions. May be expressed as total emissivity (for all ...

emissivity

Earth science; Physical oceanography

The ratio of the emittance from a body to that of a black body emitter at the same temperature, i.e. the degree to which a real body approaches a black body radiator.

emissivity

Engineering; Electronic engineering

For a radiating source, the ratio W 1/ W 2, where W 1 is the energy emitted by the source at a particular temperature, and W 2 is the energy emitted by a blackbody (i.e., a ...

natural gas

Biotechnology; Biofuel

A mixture of gases that occurs naturally beneath the Earth's surface, often near petroleum. It is used as a fuel.

fossil fuels

Energy; Biofuel

Fossil fuels are originally formed from vegetation and microorganisms that have been transformed into coal, oil and natural gas over the course of millions of years. Today, fossil ...

gas

Energy; Biofuel

Natural gas is a fossil fuel consisting mainly of methane. Natural gas is commercially produced from oil fields and natural gas fields. It is used in power generation, ...

green certificates

Energy; Biofuel

Tradable certificates issued for renewable energy. See Renewable energy. Also known as Renewable Energy Certificates (RECs) in the USA, are a tradable commodity proving that ...

E10

Biotechnology; Energy; Biofuel

Blend of 10% ethanol and 90% gasoline

E85

Biotechnology; Energy; Biofuel

An alcohol fuel mixture containing 85 percent ethanol and 15 percent gasoline by volume, and the current alternative fuel of choice of the U.S. government.

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