alternative energy source
 

* 1.sources of energy other than the standard ones (such as solar, hydro-electric, etc.)

English Related Words* a reliable source

* absorption energy

* absorption of energy

* accumulation of energy

* activation energy

* active energy

* active energy neter

* additional source of income

* adiabatic ionization energy

* aim, the alternative investment market

* allowed alternative treatment

* alternate, alternative

* alternative

* alternative accommodation

* alternative advertising