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ENERGY, metromadrid, reducir consumo, eficienciaenergetica,…

- - - - May or not be abundant
      - Depleted when we use them up
      - Cannot be renewed in a short period of time
  - - - Obtained directed from nature, examples: crude oil, natural gas, coal, nuclear energy and renewable energies
    - - Resulting from transformations of primary sources, examples: electricity, some petroleum and derivatives
  - - - Alternative energy sources
      - In early stages of their technological development
      - Solar and wind power belong to this group
- - - - Hydroelectric power plants. require water reservoirs covering large areas
      - Conventional thermal power plants: can cause numerous problems
      - Nuclear power plants: compained by the risk of nuclear accidents and the problem of nuclear waste
  - - - Energy efficiency policies increase efficiency of everyday appliances and devices
      - Noticeably reduce the energy we consume, like, low fuel consumption cars
    - - Reduce the consumption of all forms of energy without affecting quality of life
      - Adopt more environmentally friendly habits, such as, using public transport or bicycles
    - - Is fundamental to use renewable energy sources
      - The objetive is to produce a large part of our electricity through alternatives power plants
- - - - The turbine converts mechanical energy into the rotating movement of a shaft
      - An alternator has a fixed part, a stator, and a moving part, rotor, connected to the turbine shaft
      - As the roto shaft moves, alternating electrical current is produced on each of the stator's coils