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What does percentage energy efficiency mean?
I would assume it means that the more efficient it is, the less energy it intakes and the more efficient the system is at retaining the energy it intakes.
What is an energy efficient device?
It's a device that can convert energy of one form into another efficiently. Like a lightbulb for example, an energy efficient one would use less electricity but still produce as much light as one that is less efficient. It's a measure of what you get out versus what you put in.
Why do people need to develop alternative sources of renewable energy and become less dependent on fossil fuels?
Mainly two reasons. (1) The fossil fuels will eventually be used up. (2) Fossil fuels cause pollution.
Why do skyscrapers have revolving doors?
They are more energy efficient then regular doors. Less air escapes, keeping the inside warmer/colder
Why is hydrogen a better fuel than fossil fuels?
Hydrogen is more energy dense, cheaper, more abundant and when burned it produces water rather than carbon dioxide, so has less effect on the environment, as far as Global warming is concerned, than burning hydrocarbons such as fossil fuels. However, hydrogen is not abundant in a useful form and must be produced by using energy. It is therefore more of an energy store than an energy source, and the methods of producing the energy for producing the hydrogen may be harmful to the environment in themselves.
Manufacturing fossil fuel energy is much less efficient than manufacturing?
Manufacturing fossil fuel energy is much less efficient than manufacturing _____.
What 'Manufacturing fossil fuel energy is much less efficient than manufacturing?
Manufacturing fossil fuel energy is much less efficient than manufacturing _____.
What is less energy efficient than fossil fuels?
The Fossil fuel itself (just like any other fuel) does not have an efficiency connected to it, it is the process of obtaining that energy which has a low efficiency.
How efficient is geothermal energy compared to other fossil fuels?
Not very, because geothermal energy use is efficient, reliable, and environmentally friendly, but it only meets less than 1% of U.S. power needs.
How are energy efficient homes connected to global warming?
Global warming is caused by extra carbon dioxide greenhouse gas in the atmosphere.Most of the world's electricity is generated by burning fossil fuel, like coal or oil.Burning fossil fuel adds extra carbon dioxide to the atmosphere.An energy efficient home uses less electricity from the grid, so it has a lower carbon footprint, that is, it is responsible for less carbon dioxide than an average house.So an energy efficient home reduces the threat of global warming in a small way. (What if billions of homes became energy efficient?)
Are fossil fuels the most efficient energy source available?
No. Nuclear energy is the most efficient in producing steam for use in engines. 15-20% of the energy in fossil fuels is lost up chimneys into the atmosphere, and is unusable. Solar and Wind energy farms cannot harness or convert effectively all the energy in the sunlight or wind and have much lower actual efficiencies. Fossil fuels presently are the cheapest and most reliable energy source available. Solar and wind energy are less reliable.
Is solar energy more or less efficient than fossil fuel energy?
Solar is more efficient in terms of using limited resources like fossil fuels. The fossil fuels will run out way before the sun dies and fossil fuels are nonrenewable energy sources. They could not replenish in our life time. Coal, propane, natural gas, petroleum, etc. are all nonrenewable energy sources. Solar also has little impact on the earth because it doesn't release toxic gases and matter into atmosphere or destroy ozone ozone. However, solar energy is not a constant reliable source of energy because you can only generate energy when there is good light. Also, solar equipment is very bulky, expensive and you need a lot of panels to power even a house 24/7. It is also said the manufacturing and disposal of solar equipment is harmful to the environment in other ways.
What is in energy efficient homes?
It means that you make an effort to waste less energy.
Why should ahouse be made energy efficient?
Making it energy-efficient means you will use less energy. This will save you money; it will also benefit the environment.
What does percentage energy efficiency mean?
I would assume it means that the more efficient it is, the less energy it intakes and the more efficient the system is at retaining the energy it intakes.
What is energy efficient device?
It's a device that can convert energy of one form into another efficiently. Like a lightbulb for example, an energy efficient one would use less electricity but still produce as much light as one that is less efficient. It's a measure of what you get out versus what you put in.
What is an energy efficient device?
It's a device that can convert energy of one form into another efficiently. Like a lightbulb for example, an energy efficient one would use less electricity but still produce as much light as one that is less efficient. It's a measure of what you get out versus what you put in.
