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  2. Renewable energy debate - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy_debate

    Solar output varies throughout the day, the seasons, with cloud cover and by latitude on the globe. Windblown sand erodes glass in dry climates, protective layers add expenses. These factors are fairly predictable, and some solar thermal systems make use of molten salt heat storage to produce power when the sun is not shining.

  3. Solar fuel - Wikipedia

    en.wikipedia.org/wiki/Solar_fuel

    Solar thermochemistry uses the heat of the sun directly to heat a receiver adjacent to the solar reactor where the thermochemical process is performed. In contrast, indirect processes have solar energy converted to another form of energy first (such as biomass or electricity) that can then be used to produce a fuel. Indirect processes have been ...

  4. Hybrid power - Wikipedia

    en.wikipedia.org/wiki/Hybrid_power

    It was designed to cover between 80-100% of the island's power and was set to be operational in 2012. [21] However, these expectations were not realized in practice, probably due to inadequate reservoir volume and persistent problems with grid stability. [22] 100% renewable energy systems require an over-capacity of wind or solar power. [23]

  5. Miles per gallon gasoline equivalent - Wikipedia

    en.wikipedia.org/wiki/Miles_per_gallon_gasoline...

    In electric mode the Volt's rating is estimated with the same formula as an electric car. [ 10 ] [ 13 ] The overall or composite fuel economy rating combining electricity and gasoline powered are displayed in the Monroney label in a much smaller type, and as part of the comparison of the Volt's fuel economy among all vehicles and within compact ...

  6. Solar power - Wikipedia

    en.wikipedia.org/wiki/Solar_power

    Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the photovoltaic effect to convert light into an electric current . [ 2 ]

  7. The Pros and Cons of Electric Cars - AOL

    www.aol.com/pros-cons-electric-cars-132500463.html

    Pros and Cons of Hydrogen Fuel-Cell Electric Vehicles PRO: The technology works. The California-only Toyota Mirai has a range of up to 402 miles and can be refueled nearly as quickly as a gasoline ...

  8. Original Medicare vs. Medicare Advantage: Which should you ...

    www.aol.com/finance/original-medicare-vs...

    Original Medicare. Medicare Advantage. Premiums. Must pay Part B premium and Part D, if you opt for this coverage. Must pay Part B premium and potentially a plan premium

  9. Resistivity logging - Wikipedia

    en.wikipedia.org/wiki/Resistivity_logging

    Resistivity is a fundamental material property which represents how strongly a material opposes the flow of electric current. In these logs, resistivity is measured using four electrical probes to eliminate the resistance of the contact leads. The log must run in holes containing electrically conductive mud or water, i.e., with enough ions ...

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