Renewable energy comes from natural resources such as sunlight, wind, water, waves, geothermal heat and biomass. Contrasted with fossil energy resources such as petroleum, coal and natural gas, which have been gradually exhausted, renewable energy is naturally replenished and we can use it far into the distant future.
Wind power is characterized as the most economical in terms of renewable energy generation.
Biofuels are remarkable as a carbon-neutral fuels derived from biomass.
Using hydrogen and fuel cells technology is an effective way to reduce the consumption of fossil fuels.
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- Strictly, hydrogen or fuel cells are not categorized into renewable energy.
