Alternative energy
Tuesday, November 11th, 2008Alternative energy is a general term for any form of energy that can be substituted for another form. Natural gas, for example, can be an alternative for coal or oil. Alternative energy is derived from natural, renewable resources such as wind, sun, and water. Popular forms of alternative energy include solar, biofuels (ethanol), geothermal, coal gasification, hydro, and wind power. Alternative energy is the energy component beneath the clean technology umbrella. It includes solar, wind power, fuel cell technology, biofuels and others energy technologies that promote an economic and environmental benefit.