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  2. Bioenergy - Wikipedia

    en.wikipedia.org/wiki/Bioenergy

    Bioenergy is a type of renewable energy that is derived from plants and animal waste. [1] The biomass that is used as input materials consists of recently living (but now dead) organisms, mainly plants. [2] Thus, fossil fuels are not regarded as biomass under this definition.

  3. Portal:Renewable energy/Selected picture - Wikipedia

    en.wikipedia.org/wiki/Portal:Renewable_energy/...

    Renewable energy portal selected pictures. ... than 450 people at the Nellis Solar Power Plant on ... was designed to use only energy from renewable sources ...

  4. Category:Energy crops - Wikipedia

    en.wikipedia.org/wiki/Category:Energy_crops

    Energy crops are plants that are cultivated for the purpose of producing (non-food) energy. Examples include plants that are used to produce biofuel , but also trees that are grown for burning wood. Subcategories

  5. Energy crop - Wikipedia

    en.wikipedia.org/wiki/Energy_crop

    It is estimated that the energy yield presently of bioenergy crops converted via silage to methane is about 2 GWh/km 2 (1.8 × 10 10 BTU/sq mi) annually. Small mixed cropping enterprises with animals can use a portion of their acreage to grow and convert energy crops and sustain the entire farm's energy requirements with about one-fifth of the ...

  6. 5 Alternative Energy Sources That Are Cheaper Than Solar

    www.aol.com/2013/07/19/alternative-energy...

    The co-inventor of PayPal, now turned alternative energy rock star, has built two companies -- solar power utility SolarCity (SCTY) and electric car company Tesla 5 Alternative Energy Sources That ...

  7. Biomass (energy) - Wikipedia

    en.wikipedia.org/wiki/Biomass_(energy)

    Biomass (in the context of energy generation) is matter from recently living (but now dead) organisms which is used for bioenergy production. There are variations in how such biomass for energy is defined, e.g. only from plants, [8] or from plants and algae, [9] or from plants and animals. [10]

  8. Renewable energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy

    Renewable energy in developing countries is an increasingly used alternative to fossil fuel energy, as these countries scale up their energy supplies and address energy poverty. Renewable energy technology was once seen as unaffordable for developing countries. [ 201 ]

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