Non-renewable energy
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Non-renewable energy is energy, taken from "finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve", [1] as opposed to renewable energy sources [2], which "are naturally replenished in a relatively short period of time." [3]
- Fossil fuels:
- Various types of coal are mined, such as anthracite, bituminous coal, and lignite.
- Petroleum forms the basis for heating oil, diesel fuel, and gasoline.
- Natural gas is commonly also referred to just as gas. It is mostly methane, and most of the additional material is removed before use as a fuel.
- Nuclear energy fuel for fission is mined as Uranium ore.
- Propane gas is used from manufacturing and heating and makes up 1.7% of the U.S.'s energy consumption.
[edit] See also
- Non-renewable resource
- Hubbert peak theory
- Mitigation of global warming
- Mitigation of peak oil
- Renewable energy
