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  2. List of energy resources - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_resources

    Energy portal; These are modes of energy production, energy storage, or energy conservation, listed alphabetically. Note that not all sources are accepted as legitimate or have been proven to be tappable. Bus running on soybean biodiesel. Atomic energy; Alternative fuel; Alternative fuel vehicle; Banki turbine; Battery (electricity) Bioalcohol ...

  3. World energy resources - Wikipedia

    en.wikipedia.org/wiki/World_energy_resources

    Renewable energy sources are even larger than the traditional fossil fuels and in theory can easily supply the world's energy needs. 89 PW [32] of solar power falls on the planet's surface. While it is not possible to capture all, or even most, of this energy, capturing less than 0.02% would be enough to meet the current energy needs.

  4. Life-cycle greenhouse gas emissions of energy sources

    en.wikipedia.org/wiki/Life-cycle_greenhouse_gas...

    Although the life cycle assessments of each energy source should attempt to cover the full life cycle of the source from cradle-to-grave, they are generally limited to the construction and operation phase. The most rigorously studied phases are those of material and fuel mining, construction, operation, and waste management.

  5. Renewable energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy

    As an energy source, biomass can either be used directly via combustion to produce heat, or converted to a more energy-dense biofuel like ethanol. Wood is the most significant biomass energy source as of 2012 [103] and is usually sourced from a trees cleared for silvicultural reasons or fire prevention.

  6. World energy supply and consumption - Wikipedia

    en.wikipedia.org/wiki/World_energy_supply_and...

    Primary energy sources are transformed by the energy sector to generate energy carriers. Energy resources must be processed in order to make it suitable for final consumption. For example, there may be various impurities in raw coal mined or raw natural gas that was produced from an oil well that may make it unsuitable to be burned in a power ...

  7. File:Sources of Electrical Energy 2016.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Sources_of_Electrical...

    Short title: Sources of Electrical Energy 2016.xlsx; Author: gsingh: Date and time of digitizing: 12:20, 15 February 2016: Software used: PScript5.dll Version 5.2.2

  8. Energy - Wikipedia

    en.wikipedia.org/wiki/Energy

    In general relativity, the stress–energy tensor serves as the source term for the gravitational field, in rough analogy to the way mass serves as the source term in the non-relativistic Newtonian approximation. [12] Energy and mass are manifestations of one and the same underlying physical property of a system.

  9. Sustainable energy - Wikipedia

    en.wikipedia.org/wiki/Sustainable_energy

    Renewable energy sources are essential to sustainable energy, as they generally strengthen energy security and emit far fewer greenhouse gases than fossil fuels. [49] Renewable energy projects sometimes raise significant sustainability concerns, such as risks to biodiversity when areas of high ecological value are converted to bioenergy ...

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