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  2. Thermoelectric generator - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_generator

    Harvesting that heat energy using a thermoelectric generator can increase the fuel efficiency of the car. Thermoelectric generators have been investigated to replace the alternators in cars demonstrating a 3.45% reduction in fuel consumption. [33] Projections for future improvements are up to a 10% increase in mileage for hybrid vehicles. [34]

  3. Geothermal power - Wikipedia

    en.wikipedia.org/wiki/Geothermal_power

    Geothermal power stations are similar to other steam turbine thermal power stations in that heat from a fuel source (in geothermal's case, the Earth's core) is used to heat water or another working fluid. The working fluid is then used to turn a turbine of a generator, thereby producing electricity.

  4. Electricity generation - Wikipedia

    en.wikipedia.org/wiki/Electricity_generation

    They generate power by burning natural gas in a gas turbine and use residual heat to generate steam. At least 20% of the world's electricity is generated by natural gas. Water Energy is captured by a water turbine from the movement of water - from falling water, the rise and fall of tides or ocean thermal currents (see ocean thermal energy ...

  5. Renewable heat - Wikipedia

    en.wikipedia.org/wiki/Renewable_heat

    Hot Springs located in Nevada. Geothermal energy is accessed by drilling water or steam wells in a process similar to drilling for oil. Geothermal energy is an enormous, underused heat and power resource that is clean (emits little or no greenhouse gases), reliable (average system availability of 95%), and homegrown (making populations less dependent on oil).

  6. Thermoelectric effect - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_effect

    A thermoelectric device creates a voltage when there is a different temperature on each side. Conversely, when a voltage is applied to it, heat is transferred from one side to the other, creating a temperature difference. This effect can be used to generate electricity, measure temperature or change the temperature of objects. Because the ...

  7. Ocean thermal energy conversion - Wikipedia

    en.wikipedia.org/wiki/Ocean_thermal_energy...

    The study concluded that although microbial fouling was an issue for the warm surface water heat exchanger, the cold water heat exchanger suffered little or no biofouling and only minimal inorganic fouling. [46] Besides water temperature, microbial fouling also depends on nutrient levels, with growth occurring faster in nutrient rich water. [113]

  8. Home fuel cell - Wikipedia

    en.wikipedia.org/wiki/Home_fuel_cell

    The home fuel cell cannot generate exactly the needed amount of both heat and electricity at all times. Therefore, they are typically not a standalone installation, but are rather combined with a traditional furnace and connected to the grid for electricity needs above or below that produced by the fuel cell.

  9. Geothermal desalination - Wikipedia

    en.wikipedia.org/wiki/Geothermal_Desalination

    If the geothermal energy is used indirectly, it can be used to generate power for the water desalination process, as well as excess electricity that can be used for consumers. [6] Similarly, if the geothermal energy is used directly, the excess geothermal energy can be used to drive heating and cooling processes. [6]

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