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Coal, Oil, and Natural Gas (Energy Today)
17
 
 

Coal, Oil, and Natural Gas (Energy Today)Coal, Oil, and Natural Gas (Energy Today)

Coal, oil, and natural gas are the world's most important sources of primary energy. However, as we move into the future, these nonrenewable sources of energy will become less widely available. Coal, Oil, and Natural Gas explores the importance of fossil fuels and their impact on the global environment and economy. 



 
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Biofuels
11
 
 

BiofuelsBiofuels

Obtaining sufficient supplies of energy in an environmentally responsible way is one of the biggest concerns of the 21st century. Of all the problems associated with energy production, none is more complex than those associated with the production of biofuels - or non-fossil fuels derived from biomass - including plant matter, animal wastes, and municipal wastes.

 
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Solar Power (Energy Today)
13
 
 

Solar Power (Energy Today)Solar Power (Energy Today)

Along with geothermal energy, solar energy is now one of the least environmentally disruptive sources of power by which electricity is generated today. Sunlight is a free, unlimited resource that hits the Earth with more energy in an hour than the people of the world use in a year. In Solar Power, readers will discover how scientists are trying to harness this power and explore potential developments into the future.
 
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Hydrogen Fuel (Energy Today)
10
 
 

Hydrogen Fuel (Energy Today)Hydrogen Fuel (Energy Today)

Because hydrogen fuel gives off water as a byproduct and does not emit any carbon dioxide, many people believe it could one day compete with oil as the major transportation fuel. In Hydrogen Fuel, readers will discover how this simple element can create clean energy, how it is used in the present for space shuttles and fuel cells, and how it may be used in the future.

 
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Water Power
10
 
 

Water PowerWater Power

Hydraulic power has been used for hundreds of years for everything from sawmills to steam generators. Water Power explores the past and present uses for this source of renewable energy and uses vivid photographs and illustrations to discuss its future in energy development.
 
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