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Solar sunroofs are made of glass, with an inlaid photovoltaic solar panel that makes the glass totally opaque. They operate the same as conventional factory-fitted glass moonroofs (tilting and retracting), but when closed the solar panel provides electricity to power the interior ventilation fans, for cooling the car interior on hot days when ...
The combination of photovoltaic (PV) technology, solar thermal technology, and reflective or refractive solar concentrators has been a highly appealing option for developers and researchers since the late 1970s and early 1980s. The result is what is known as a concentrated photovoltaic thermal (CPVT) system which is a hybrid combination of ...
Electric fans used for ventilation may be powered by solar panels instead of mains current. This is an attractive option because once the capital costs of the solar panel have been covered, the resulting electricity is free. If ventilation needs are greatest during sunny weather, a solar-powered fan can be suitable.
Another mini split version allows the solar panels to be plugged directly to the outside part of the unit, uses a 310v DC power bus, and offers optional 120v plug-in backup grid power to be leveraged to fill in any lack of solar power available. The advantage of these inverter DC air conditioners is the lower cost, while the disadvantage is ...
PlanetSolar, the world's largest solar-powered boat and the first ever solar electric vehicle to circumnavigate the globe (in 2012). Solar powered boats have mainly been limited to rivers and canals, but in 2007 an experimental 14 m catamaran, the Sun21 sailed the Atlantic from Seville to Miami, and from there to New York. [32]
The Prius XW30 was the most efficient car powered purely by liquid fuel available in the U.S., based on the official rating. [65] [66] Only the discontinued first-generation Honda Insight attained higher fuel efficiency: 62 mpg ‑US (3.8 L/100 km; 74 mpg ‑imp) (for manual/no air conditioner option).
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