Several Technologies That Are Less Expensive Than Earlier Versions

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  1. Several Technologies that is less polluting and less expensive than earlier versions of the technology.

List 3 Technologies:

  1. Solar cars– A solar vehicle is an electric vehicle powered completely or significantly by direct solar energy. Usually, photovoltaic (PV) cells contained in solar panels convert the sun’s energy directly into electric energy. The term “solar vehicle” usually implies that solar energy is used to power all or part of a vehicle’s propulsion. Solar power may be also used to provide power for communications or controls or other auxiliary functions.

Solar vehicles are not sold as practical day-to-day transportation devices at present, but are primarily demonstration vehicles and engineering exercises, often sponsored by government agencies.

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  1. Solar Panels– A solar panel (also solar module, photovoltaic module or photovoltaic panel) is a packaged, connected assembly of photovoltaic cells. The solar panel can be used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications. Each panel is rated by its DC output power under standard test conditions, and typically ranges from 100 to 320 watts. The efficiency of a panel determines the area of a panel given the same rated output – an 8% efficient 230 watt panel will have twice the area of a 16% efficient 230 watt panel. Because a single solar panel can produce only a limited amount of power, most installations contain multiple panels. A photovoltaic system typically includes an array of solar panels, an inverter, and sometimes a battery and or solar tracker and interconnection wiring. Some Examples of what solar panels are used for are homes-Did you know that by going solar, you’ll lock in on a low, fixed solar rate from day one? Switching to solar keeps rising energy rates in check and guarantees a lower monthly electricity bill..
  2. Electric car– An electric car is an automobile that is propelled by one electric motor or more, using electrical energy stored in batteries or another energy storage device. Electric motors give electric cars instant torque, creating strong and smooth acceleration.

Electric cars were popular in the late 19th century and early 20th century,

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