A category of fuels that are formed by geological processes acting on dead organisms, often hundreds of millions of years old.
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Nonrenewable Energy Source
Considered a type of energy source that cannot be reproduced at the rate of which we are consuming them.
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Conventional Fossil Fuels
Easily accessible through standard drilling techniques.
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Unconventional Fossil Fuels
More expensive and requires more advanced technology for extraction.
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Oil & Natural Gas
Composed of hydrocarbons and is a type of fossil fuel.
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Natural Gas
Has less CO2 emissions and is found in pipelines.
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Hydrocarbons
Molecules composed of hydrogen and carbon and are one of the reactants in a combustion reaction.
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Kerogen
Organic component of oil shales composed of waxy hydrocarbons.
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Shale Gas
One type of natural gas found in shale formations.
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Tight Gas
One type of natural gas found in less permeable rock like sandstone or limestone.
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Coal
Formed when partially decayed plant material decomposes for thousands of years to form peat.
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Lignite
A low quality coal formed from peat that begins to lose water and other impurities from immense pressure.
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Bitumen
Formed from lignite as pressure continues to remove impurities.
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Anthracite
The final form of coal, produced after bitumen.
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Energy Density
Amount of energy stored within a given system, substance, or given space.
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Power Density
The rate at which stored energy can be put out.
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Net Energy
Amount of high quality usable energy available from a resource after subtracting the energy needed to make it available.
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Automatic Waste
Entropy increases in a system, inevitably over time, as per the 2nd law of thermodynamics.
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Unnecessary Waste
Waste generated from finding, processing, concentrating, and transporting resources.
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Commercial Waste
Waste from coal, oil, and natural gas that is bought and sold.
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Subsistence Waste
Waste such as wood, charcoal, and animal waste gathered by individuals for personal use.
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Net Energy Ratio
A ratio of the relationship between outside energy required to release usable energy and the energy itself.
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Energy Return on Investment (EROI)
Uses net energy ratio to determine how much energy we receive by putting energy into a system.
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Crude Oil/Petroleum
Thick, hydrocarbon containing liquid extracted from underground deposits, separable into heating oil, gasoline, plastics, and asphalt.
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Peak Oil
A prediction of when we will hit the peak of oil production due to it being a finite resource, represented by a bell curve.
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OPEC
The 12 countries part of the Organization of Petroleum Exporting Countries that hold 78% of the proven oil reserves on Earth.
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Coalbed Methane
Unconventional extraction of methane from coal mines, which can be an explosive hazard.
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Tight Sands
Gas-bearing fine grained sandstones/carbonates with low permeability that requires hydraulic fracturing for release.
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Methane Hydrates
Potential methane extraction from frozen ice crystals and frozen organic matter in oceanic sediments.
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Oil Shale
Requires enormous amounts of hot water to release the kerogen trapped within in petroleum form.
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Tar Sands
Rocky materials mixed with thick oils.
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Hydraulic Fracturing
Uses pressure to open fissures in rock to extract unconventional energy sources.
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Flowback
Water containing contaminants like radioactive materials, heavy metals, hydrocarbons, and toxins.
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Fracking Fluids
Liquid used in hydraulic fracking which is made of secret ingredients kept private by the companies that produce it and use it.
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PADD
Petroleum Administration for Defense Districts or PADD are 5 American districts designed for monitoring fuel supplies and distribution capacity across the country.
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Gasification
Thermal process that converts carbon-based materials into energy WITHOUT burning them.
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Cogeneration
Simultaneous production of two or more forms of energy from a single fuel source.
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ANWR
Arctic National Wildlife reserve containing a biodiverse environment of plants and animals but also a large amount of non renewable resources that are controversial in whether or not they should be extracted and how they should be extracted.
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Nuclear Energy
Energy stored in nuclear bonds within the nucleus of an atom.
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Uranium
Radioactive metal in the actinide series used as a reactant in nuclear fission reactors.
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Half-life
Time it takes for half of a sample of atoms of an element to decay and become something else.
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Nuclear Fission
An element losing neutrons and forming a different isotope of the same element.
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U-238
An Isotope of Uranium that is most natural but does not undergo fission.
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Plutonium 239
Result of Uranium 238 decaying.
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U-235
An isotope of Uranium that easily undergoes the process of Nuclear Fission.
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Isotopes
A different version of the same chemical element that contains the SAME number of protons but a DIFFERENT amount of Neutrons.
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Light Water Reactors (LWR's)
Produce most of the world's nuclear generated electricity, containing long thin fuel rods of Uranium dioxide.
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Nuclear Chain Reaction
A process where fission is sustained as an element that undergoes fission releases products that spark another fission reaction.
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Fuel Rods
Source of Uranium used in fission reaction that is encased in a moderator that may use graphite.
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Fuel Pellets
A unit of a fuel rod that contains the uranium.
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Fuel Assembly
Bundles of hundreds of fuel rods.
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Nuclear Reactor & Core
Chamber housing the fuel assembly, pumps, coolant, and condensers in which the fission reaction takes place.
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Containment Vessel
Houses a nuclear reactor vessel.
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Spent Fuel Rods
Fuel Rods that have depleted the useful uranium storage which are stored underwater for a while before being placed in concrete or steel containers.
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Decommission
Reactors can't be shut down but are decommissioned after 15/60 years.
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Conventional Nuclear Fuel Cycle
1) Harvest Uranium, 2) Process the Uranium into usable fuel, 3) Use in reactor, 4) Store spent fuel rods underwater, 5) Decommissioned reactor after 15-60 years.
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High-Level Waste (HLW)
Large amounts of radioactive waste are left over from nuclear fission reactions that must be stored safely, further increasing costs and decreasing net energy yield.
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Nuclear Fusion
The process in which new elements are produced which require immense amounts of heat and pressure only thought to be in stars and unimaginably immense celestial figures.