- Energy conservation
- Energy conservation is the practice of decreasing the quantity of energy used. It may be achieved through efficient energy use, in which case energy...
- Efficient energy use
- Efficient energy use, sometimes simply called energy efficiency, is using less energy to provide the same level of energy service. An example would...
- Energy drink
- Energy drinks are soft drinks advertised as providing energy to improve physical activity of the drinker, as compared to a typical drink. Rather than...
- Renewable energy
- Renewable energy is energy generated from natural resources—such as sunlight, wind, rain, tides and geothermal heat—which are renewable...
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