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2. Home fuel cell - Wikipedia

   en.wikipedia.org/wiki/Home_fuel_cell

   For example, a 5 kW home fuel cell produces about 80 MWh of annual combined electricity and heat, compared to approximately 10MWh generated by a 5 kW solar system. However, these systems are not directly comparable because solar power is a renewable resource with basically no operating cost, while natural gas is neither.

3. Solar thermal collector - Wikipedia

   en.wikipedia.org/wiki/Solar_thermal_collector

   The term "solar collector" commonly refers to a device for solar hot water heating, but may refer to large power generating installations such as solar parabolic troughs and solar towers or non-water heating devices such as solar cookers or solar air heaters. [1] Solar thermal collectors are either non-concentrating or concentrating.

4. BioLite - Wikipedia

   en.wikipedia.org/wiki/Biolite

   The company also launches a 10-watt solar panel and three sizes of battery banks they call Charge 10, Charge 20, Charge 40. September - BioLite launches a smokeless wood-burning fire pit on Kickstarter. November - BioLite launches SolarHome 620, a solar-powered lighting, charging and radio system for off-grid homes around the world.

5. Off-grid solar breakthrough purifies river water and produces ...

   www.aol.com/off-grid-solar-breakthrough-purifies...

   The device works off-grid so could prove useful in places with limited resources. Nearly 2 billion people lack clean drinking water, and 775 million live without electricity around the world.

6. Solar thermal energy - Wikipedia

   en.wikipedia.org/wiki/Solar_thermal_energy

   Solar cookers use sunlight for cooking, drying and pasteurization. Solar cooking offsets fuel costs, reduces demand for fuel or firewood, and improves air quality by reducing or removing a source of smoke. The simplest type of solar cooker is the box cooker first built by Horace de Saussure in 1767. A basic box cooker consists of an insulated ...

7. The Reality of RV Retirement - AOL

   www.aol.com/really-retire-rv-110400668.html

   If you want to live off the grid (something RVers call boondocking), a gas-powered generator or solar panels are essential, as are manual appliances such as a can opener, and — if you really ...