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2. Home fuel cell - Wikipedia

   en.wikipedia.org/wiki/Home_fuel_cell

   Most home fuel cells are comparable to residential solar energy photovoltaic systems on a dollar-per-watt-installed basis. [citation needed] Some natural gas-driven home fuel cells can generate eight times more energy per year than the same-sized solar installation, even in the best solar locations [citation needed]. For example, a 5 kW home ...

3. Engine–generator - Wikipedia

   en.wikipedia.org/wiki/Engine–generator

   An engine–generator is the combination of an electrical generator and an engine (prime mover) mounted together to form a single piece of equipment. This combination is also called an engine–generator set or a gen-set. In many contexts, the engine is taken for granted and the combined unit is simply called a generator. An engine–generator ...

4. Fossil fuel power station - Wikipedia

   en.wikipedia.org/wiki/Fossil_fuel_power_station

   Rarely used generator sets may correspondingly be installed as natural gas or LPG to minimize the fuel system maintenance requirements. Spark-ignition internal combustion engines operating on gasoline (petrol), propane, or LPG are commonly used as portable temporary power sources for construction work, emergency power, or recreational uses.

5. Emergency power system - Wikipedia

   en.wikipedia.org/wiki/Emergency_power_system

   Emergency power systems are installed to protect life and property from the consequences of loss of primary electric power supply. It is a type of continual power system . They find uses in a wide variety of settings from homes to hospitals , scientific laboratories, data centers , [ 1 ] telecommunication [ 2 ] equipment and ships.

6. Micro combined heat and power - Wikipedia

   en.wikipedia.org/wiki/Micro_combined_heat_and_power

   Gas turbines designed with foil bearings and air-cooling operate without lubricating oil or coolants. The waste heat of gas turbines is mostly in the exhaust, whereas the waste heat of reciprocating internal combustion engines is split between the exhaust and cooling system. External combustion engines can run on any high-temperature heat source.

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!